Remove SiriusCon ad section

Change-Id: I35c538b737b9d99f56013a4c40a23caad22a8634
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
diff --git a/index.html b/index.html
index b0ac7c7..4ca58d9 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
   
     <title>Sirius | Home</title>
   
-    <meta name="description" content="">
+    <meta name="description" content="The Eclipse Foundation - home to a global community, the Eclipse IDE, Jakarta EE and over 350 open source projects, including runtimes, tools and frameworks">
     <link rel="shortcut icon" type="image/png" href="/sirius/images/favicon_sirius.ico"/>
   
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800' rel='stylesheet' type='text/css'>
@@ -153,22 +153,6 @@
     </div>
 </section>
 
-<section id="siriuscon" class="c2a-bar bg_purple text-center">
-    <div class="container">
-<div class="row align-items-center wow fadeInLeft" data-wow-duration="500ms" data-wow-delay="300ms">
-    <div class="col-md-3 col-xs-12 my-auto">
-        <p><a href="https://www.siriuscon.org/"><img src="/sirius/common_assets/images/logos/logo_siriuscon_2021_white.png" alt="Logo SiriusCon 2021" width="250" /></a></p>
-    </div>
-    <div class="col-md-5 col-xs-12">
-        <h5 class="txt_white">Save the date! | June 15th - June 17th</h5>
-        <p><a class="txt_white" href="https://www.siriuscon.org/" target="">Learn more <i class="fas fa-arrow-alt-circle-right" aria-hidden="true"></i></a></p>
-    </div>                                
-    <div class="col-md-4 col-xs-12 my-auto">
-        <p></p><a class="btn btn-default" href="http://bit.ly/SiriusCon2021-Register" target="_blank">Save your spot</a></p>    </div>
-</div>
-</div>
-</section>
-
 <section id="sirius_versions" class="bg_indigo txt_white text-center">
     <div class="container">
             <h2 class="title wow fadeInDown" data-wow-duration="500ms" data-wow-delay=".2s">Choose your favorite flavor</h2>