Removed todo and wrote comment why.

javascript/src/QfqForm.js

@@ -428,11 +428,16 @@ if (!QfqNS) {
 
     /**
      *
-     * @todo Move this function to Element.FormGroup
      * @param formControlName
      * @param text
      */
     n.QfqForm.prototype.setHelpBlockValidationMessage = function (formControlName, text) {
+        /*
+         * Why is this method here and not in FormGroup? Adding this particluar method to FormGroup is easy, however
+         * QfqForm.clearAllValidationStates() would not find its proper place in FormGroup, since FormGroup operates
+         * on one element. We would end up having the responsibilities spread across several classes, which would be
+         * confusing.
+         */
         var $formGroup = this.getFormGroupByControlName(formControlName);
         if (!$formGroup) {
             return;