Update webinars links

Signed-off-by: Eric Poirier <eric@eclipse.org>
diff --git a/content/en_index.php b/content/en_index.php
index 8f89288..1ab70e3 100644
--- a/content/en_index.php
+++ b/content/en_index.php
@@ -153,7 +153,7 @@
             <!-- Web Series -->
             <h3 class="web-series-h3">Webinar Series</h3>
             <p>Details can be found <a href="/community/webinars">here</a>, or register below.</p>
-            <a class="neon-well btn btn-neon btn-neon-green span-block btn-white-text" href="https://docs.google.com/forms/d/1LEx80tUrHl3bNqVSHNU4t5cdZXYDchsi-37EyibJ27Y/viewform?c=0&w=1">
+            <a class="neon-well btn btn-neon btn-neon-green span-block btn-white-text" href="https://www.youtube.com/watch?v=lGK2FWkL5YI">
               <span class="span-block row">
                 <span class="span-block col-sm-14">
                   <span class="span-block row">
@@ -169,7 +169,7 @@
               </span>
             </a>
 
-            <a class="neon-well btn btn-neon btn-neon-green span-block btn-white-text" href="https://docs.google.com/forms/d/1DUUl9pSKqcIa4Bh5-tL1T86Q-jaJxo1lGaJ317suILw/viewform?c=0&w=1">
+            <a class="neon-well btn btn-neon btn-neon-green span-block btn-white-text" href="https://www.youtube.com/watch?v=UxGwu2adzIc">
               <span class="row">
                 <span class="col-sm-14">
                   <span class="row">
@@ -185,7 +185,7 @@
               </span>
             </a>
 
-            <a class="neon-well btn btn-neon btn-neon-green span-block btn-white-text" href="https://docs.google.com/forms/d/1JTTE3hxWiYQBEvR1vjSfGnU13Lb04LReOqFZKlavoDg/viewform?c=0&w=1">
+            <a class="neon-well btn btn-neon btn-neon-green span-block btn-white-text" href="https://www.youtube.com/watch?v=xI8PdCNegO0">
               <span class="row">
                 <span class="col-sm-14">
                   <span class="row">