removing unused function

js/privatebin.js

@@ -107,19 +107,6 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             return [v, 'month'];
         }
 
-        /**
-         * checks if a string is valid text (and not onyl whitespace)
-         *
-         * @name Helper.isValidText
-         * @function
-         * @param  {string} string
-         * @return {bool}
-         */
-        me.isValidText = function(string)
-        {
-            return (string.length > 0 && $.trim(string) !== '')
-        }
-
         /**
          * text range selection
          *