remove validateForm function

gadget_json_generated_form.js

@@ -298,10 +298,6 @@
       });
   }
 
-  function validateForm(gadget, json_url) {
-    return gadget.processValidation(json_url);
-  }
-
   function addSubForm(g, options) {
     var element = options.element,
       key = element.parentNode.querySelector("input[type='text']").value,
@@ -343,7 +339,7 @@
         field_list[i],
         'change',
         false,
-        validateForm.bind(g, g, g.options.schema_url)
+        gadget.processValidation.bind(g, g.options.schema_url)
       ));
     }