Remove unmaintained extensions
diff --git a/index.php b/index.php
index 541b170..ebc24a2 100644
--- a/index.php
+++ b/index.php
@@ -167,15 +167,7 @@
             <i>Open source plugins that extend or integrate with PDT</i>
             <br><br>
             <a href="https://p2.pdt-extensions.org/phpfeatures.html#pex-core" rel="nofollow">CS-Fixer</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/phpfeatures.html#phpmaven" rel="nofollow">PHP&nbsp;Maven</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/phpfeatures.html#pti" rel="nofollow">CodeSniffer</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/phpfeatures.html#pti" rel="nofollow">PHPDepend</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/frameworks.html#symfony" rel="nofollow">Symfony</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/frameworks.html#phing" rel="nofollow">Phing</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/frameworks.html#yii" rel="nofollow">Yii</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/frameworks.html#drupal" rel="nofollow">Drupal</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/frameworks.html#magento" rel="nofollow">Magento</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/frameworks.html#aspectphp" rel="nofollow">Aspect&nbsp;PHP</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#yedit" rel="nofollow">YAML</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#twig" rel="nofollow">Twig</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#smarty" rel="nofollow">Smarty</a>&nbsp;::
@@ -183,15 +175,11 @@
             <a href="https://p2.pdt-extensions.org/editors.html#markdown" rel="nofollow">Markdown</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#rest" rel="nofollow">reStructuredText</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#gherkin" rel="nofollow">Gherkin</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/editors.html#shelled" rel="nofollow">Shell&nbsp;Scripts</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#vrapper" rel="nofollow">Vrapper</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#emmet" rel="nofollow">Emmet</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/editors.html#jquery" rel="nofollow">JQuery</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#jshint" rel="nofollow">JSHint</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#closure" rel="nofollow">Closure</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/editors.html#extjs" rel="nofollow">ExtJS</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/editors.html#less" rel="nofollow">Less</a>&nbsp;::
-            <a href="https://p2.pdt-extensions.org/editors.html#themes" rel="nofollow">Eclipse&nbsp;Color&nbsp;Themes</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/misc.html#logviewer" rel="nofollow">Log&nbsp;Viewer</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/misc.html#ansi" rel="nofollow">ANSI&nbsp;Console</a>&nbsp;::
             <a href="https://p2.pdt-extensions.org/misc.html#copyright" rel="nofollow">Copyright&nbsp;Wizard</a>