docs/website/news.html: correct left/right ordering of 2020.08-rc2 entry

And drop the confusing class="timeline" tag from the 2020.08-rc1 entry.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

docs/website/news.html

@@ -9,7 +9,7 @@
 <h2>News</h2>
 <ul class="timeline">
 
-  <li>
+  <li class="timeline-inverted">
     <div class="timeline-badge"><i class="glyphicon glyphicon-thumbs-up"></i></div>
     <div class="timeline-panel">
       <div class="timeline-heading">
@@ -30,7 +30,7 @@
     </div>
   </li>
 
-  <li class="timeline">
+  <li>
     <div class="timeline-badge"><i class="glyphicon glyphicon-thumbs-up"></i></div>
     <div class="timeline-panel">
       <div class="timeline-heading">