[css-transitions] Bikeshed conversion followup: Don't link to test annotation script twice.

Author: dbaron

css-transitions/Overview.bs

@@ -1,6 +1,5 @@
 <h1>CSS Transitions</h1>
 
-  <script src='http://test.csswg.org/harness/annotate.js#css-transitions-1_dev' type='text/javascript' defer></script>
   <style type="text/css">
     table.animatable-properties {
       border-collapse: collapse;

css-transitions/Overview.html

@@ -62,9 +62,6 @@
     <script defer="" src="//test.csswg.org/harness/annotate.js#css-transitions-1_dev/css-transitions-1" type="text/javascript"></script>
 
 
-    <script defer="" src="http://test.csswg.org/harness/annotate.js#css-transitions-1_dev" type="text/javascript"></script>
-    
-  
     <style type="text/css">
     table.animatable-properties {
       border-collapse: collapse;