refactor(jqLite): clean up jqLiteRemoveData fn

Author: IgorMinar

src/jqLite.js

@@ -298,12 +298,12 @@ function jqLiteOff(element, type, fn, unsupported) {
 }
 
 function jqLiteRemoveData(element, name) {
-  var expandoId = element.ng339,
-      expandoStore = jqCache[expandoId];
+  var expandoId = element.ng339;
+  var expandoStore = expandoId && jqCache[expandoId];
 
   if (expandoStore) {
     if (name) {
-      delete jqCache[expandoId].data[name];
+      delete expandoStore.data[name];
       return;
     }