Remove obsolete bugzilla links

We now use GitHub issues
diff --git a/css/styles.css b/css/styles.css
index 5cbe123..33f4a07 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -232,9 +232,6 @@
 #icon-git-hub::before {
   background-image: url('../img/regular/developer-community-github-1.svg');
 }
-#icon-bugzilla::before {
-  background-image: url('../img/regular/computer-bug.svg');
-}
 .navigation-item-container {
   display: inline-block;
 }
diff --git a/features.html b/features.html
index 16e90c5..775e9fa 100644
--- a/features.html
+++ b/features.html
@@ -62,18 +62,12 @@
                 <div class="text">Another source of help</div>
               </div>
             </a>
-            <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" class="navigation-item lv2" id="icon-git-hub">
+            <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" class="navigation-item lv2 last" id="icon-git-hub">
               <div class="navigation-item-container">
                 <div class="title">GitHub</div>
                 <div class="text">View source code. Contribute</div>
               </div>
             </a>
-            <a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status&#x3D;UNCONFIRMED&amp;bug_status&#x3D;NEW&amp;bug_status&#x3D;ASSIGNED&amp;bug_status&#x3D;REOPENED&amp;bug_status&#x3D;RESOLVED&amp;bug_status&#x3D;VERIFIED&amp;columnlist&#x3D;bug_id%2Cbug_severity%2Cpriority%2Ctarget_milestone%2Cbug_status%2Cresolution%2Ccomponent%2Cassigned_to%2Cshort_desc&amp;list_id&#x3D;10272285&amp;product&#x3D;Scout&amp;query_format&#x3D;advanced" target="_blank" class="navigation-item lv2 last" id="icon-bugzilla">
-              <div class="navigation-item-container">
-                <div class="title">Bugzilla</div>
-                <div class="text">Report errors</div>
-              </div>
-            </a>
           </div>
 
         </div>
@@ -261,7 +255,6 @@
           <a href="https://www.eclipse.org/forums/index.php?t&#x3D;thread&amp;frm_id&#x3D;174" target="_blank" title="Eclipse Scout Forum"><img src="img/bold/conversation-question-warning-1-alternate.svg" class="small"></a>
           <a href="https://stackoverflow.com/tags/eclipse-scout" target="_blank" title="Eclipse Scout on StackOverflow"><img src="img/bold/developer-community-stack-overflow.svg"></a>
           <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" title="Eclipse Scout on GitHub"><img src="img/bold/developer-community-github-1.svg"></a>
-          <a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status&#x3D;UNCONFIRMED&amp;bug_status&#x3D;NEW&amp;bug_status&#x3D;ASSIGNED&amp;bug_status&#x3D;REOPENED&amp;bug_status&#x3D;RESOLVED&amp;bug_status&#x3D;VERIFIED&amp;columnlist&#x3D;bug_id%2Cbug_severity%2Cpriority%2Ctarget_milestone%2Cbug_status%2Cresolution%2Ccomponent%2Cassigned_to%2Cshort_desc&amp;list_id&#x3D;10272285&amp;product&#x3D;Scout&amp;query_format&#x3D;advanced" target="_blank" title="Eclipse Scout on Bugzilla"><img src="img/bold/computer-bug-2.svg" class="small"></a>
         </div>
 
         <div id="copyright">
diff --git a/index.html b/index.html
index 2119795..3f61149 100644
--- a/index.html
+++ b/index.html
@@ -62,18 +62,12 @@
                 <div class="text">Another source of help</div>
               </div>
             </a>
-            <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" class="navigation-item lv2" id="icon-git-hub">
+            <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" class="navigation-item lv2 last" id="icon-git-hub">
               <div class="navigation-item-container">
                 <div class="title">GitHub</div>
                 <div class="text">View source code. Contribute</div>
               </div>
             </a>
-            <a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status&#x3D;UNCONFIRMED&amp;bug_status&#x3D;NEW&amp;bug_status&#x3D;ASSIGNED&amp;bug_status&#x3D;REOPENED&amp;bug_status&#x3D;RESOLVED&amp;bug_status&#x3D;VERIFIED&amp;columnlist&#x3D;bug_id%2Cbug_severity%2Cpriority%2Ctarget_milestone%2Cbug_status%2Cresolution%2Ccomponent%2Cassigned_to%2Cshort_desc&amp;list_id&#x3D;10272285&amp;product&#x3D;Scout&amp;query_format&#x3D;advanced" target="_blank" class="navigation-item lv2 last" id="icon-bugzilla">
-              <div class="navigation-item-container">
-                <div class="title">Bugzilla</div>
-                <div class="text">Report errors</div>
-              </div>
-            </a>
           </div>
 
         </div>
@@ -314,7 +308,6 @@
           <a href="https://www.eclipse.org/forums/index.php?t&#x3D;thread&amp;frm_id&#x3D;174" target="_blank" title="Eclipse Scout Forum"><img src="img/bold/conversation-question-warning-1-alternate.svg" class="small"></a>
           <a href="https://stackoverflow.com/tags/eclipse-scout" target="_blank" title="Eclipse Scout on StackOverflow"><img src="img/bold/developer-community-stack-overflow.svg"></a>
           <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" title="Eclipse Scout on GitHub"><img src="img/bold/developer-community-github-1.svg"></a>
-          <a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status&#x3D;UNCONFIRMED&amp;bug_status&#x3D;NEW&amp;bug_status&#x3D;ASSIGNED&amp;bug_status&#x3D;REOPENED&amp;bug_status&#x3D;RESOLVED&amp;bug_status&#x3D;VERIFIED&amp;columnlist&#x3D;bug_id%2Cbug_severity%2Cpriority%2Ctarget_milestone%2Cbug_status%2Cresolution%2Ccomponent%2Cassigned_to%2Cshort_desc&amp;list_id&#x3D;10272285&amp;product&#x3D;Scout&amp;query_format&#x3D;advanced" target="_blank" title="Eclipse Scout on Bugzilla"><img src="img/bold/computer-bug-2.svg" class="small"></a>
         </div>
 
         <div id="copyright">
diff --git a/versions.html b/versions.html
index 8e9ed3e..ff50494 100644
--- a/versions.html
+++ b/versions.html
@@ -62,18 +62,12 @@
                 <div class="text">Another source of help</div>
               </div>
             </a>
-            <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" class="navigation-item lv2" id="icon-git-hub">
+            <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" class="navigation-item lv2 last" id="icon-git-hub">
               <div class="navigation-item-container">
                 <div class="title">GitHub</div>
                 <div class="text">View source code. Contribute</div>
               </div>
             </a>
-            <a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status&#x3D;UNCONFIRMED&amp;bug_status&#x3D;NEW&amp;bug_status&#x3D;ASSIGNED&amp;bug_status&#x3D;REOPENED&amp;bug_status&#x3D;RESOLVED&amp;bug_status&#x3D;VERIFIED&amp;columnlist&#x3D;bug_id%2Cbug_severity%2Cpriority%2Ctarget_milestone%2Cbug_status%2Cresolution%2Ccomponent%2Cassigned_to%2Cshort_desc&amp;list_id&#x3D;10272285&amp;product&#x3D;Scout&amp;query_format&#x3D;advanced" target="_blank" class="navigation-item lv2 last" id="icon-bugzilla">
-              <div class="navigation-item-container">
-                <div class="title">Bugzilla</div>
-                <div class="text">Report errors</div>
-              </div>
-            </a>
           </div>
 
         </div>
@@ -143,7 +137,6 @@
           <a href="https://www.eclipse.org/forums/index.php?t&#x3D;thread&amp;frm_id&#x3D;174" target="_blank" title="Eclipse Scout Forum"><img src="img/bold/conversation-question-warning-1-alternate.svg" class="small"></a>
           <a href="https://stackoverflow.com/tags/eclipse-scout" target="_blank" title="Eclipse Scout on StackOverflow"><img src="img/bold/developer-community-stack-overflow.svg"></a>
           <a href="https://github.com/eclipse-scout/scout.rt/tree/releases/11.0/" target="_blank" title="Eclipse Scout on GitHub"><img src="img/bold/developer-community-github-1.svg"></a>
-          <a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status&#x3D;UNCONFIRMED&amp;bug_status&#x3D;NEW&amp;bug_status&#x3D;ASSIGNED&amp;bug_status&#x3D;REOPENED&amp;bug_status&#x3D;RESOLVED&amp;bug_status&#x3D;VERIFIED&amp;columnlist&#x3D;bug_id%2Cbug_severity%2Cpriority%2Ctarget_milestone%2Cbug_status%2Cresolution%2Ccomponent%2Cassigned_to%2Cshort_desc&amp;list_id&#x3D;10272285&amp;product&#x3D;Scout&amp;query_format&#x3D;advanced" target="_blank" title="Eclipse Scout on Bugzilla"><img src="img/bold/computer-bug-2.svg" class="small"></a>
         </div>
 
         <div id="copyright">