removed out of date comments

msgFormatter.js

@@ -261,8 +261,6 @@ var formatText = (function() {
 
             for (var highlightIndex =0, nbHighlight =opts.highlights.length; highlightIndex < nbHighlight; highlightIndex++) {
                 var highlight = opts.highlights[highlightIndex];
-
-                // TODO compare with collators
                 if (text.substr(i, highlight.length) === highlight)
                     return highlight;
             }