Remove empty line from comment block (#5821)

A very crucial change, so I can try our new LGTM integration.

gulpfile.js/lib/simplyCopy.js

@@ -7,8 +7,7 @@ var renameSrcToDest = require('../lib/rename-src-to-dest');
 
 /*
  * Simple copy task - just copoes files from the source to the destination,
- * with no compilation, minification, or other intelligence
- *
+ * with no compilation, minification, or other intelligence.
  */
 var simpleCopyTask = function(glob) {
     return function() {