Delete trailing whitespace

Author: marijnh

mode/soy/test.js

@@ -313,6 +313,6 @@
     '[keyword {velog] [variable-2&error $data][keyword }] Logged [keyword {/velog}]');
 
   MT('extern', '[keyword {extern] [def renderer]: ([def s]:[type string])=>[type string][keyword }] [keyword {/extern}]');
- 
+
   MT('export extern', '[keyword {export] [keyword extern] [def renderer]: ([def s]:[type string])=>[type string][keyword }] [keyword {/extern}]');
 })();