Clean up javascript comment.

docs/theme/docker/layout.html

@@ -171,9 +171,8 @@
   Swiftype.resultContainingElement = '#st-results-container';
   Swiftype.attachElement = '#st-search-input';
   Swiftype.renderStyle = "overlay";
-  <!-- from https://swiftype.com/questions/how-can-i-make-more-popular-content-rank-higher 
-       Use "page" for now -- they don't subgroup by document type yet.
-    -->
+  // from https://swiftype.com/questions/how-can-i-make-more-popular-content-rank-higher 
+  // Use "page" for now -- they don't subgroup by document type yet.
   Swiftype.searchFunctionalBoosts = {"page": {"popularity": "linear"}};
 
   var script = document.createElement('script');