Comment and empty lines removed

css/_variables.scss

 $inputControlEmColor: #f29424;
 //buttons
 $linkFontColor: #489afe;
-$linkHoverFontColor: #287ade;
-
+$linkHoverFontColor: #287ade;

interface_config.js

      * If we should show authentication block in profile
      */
     AUTHENTICATION_ENABLE: true,
-    // the toolbar buttons line is intentionally left in one line, to be able
-    // to easily override values or remove them using regex
     /**
      * The index of the splitter button in the main toolbar. The splitter
      * button is a button in the toolbar that will be applied a special styling