[Framework] Fix code style for ExtensionRegistrar

Satisfy code style standards in ExtensionRegistrar.
WTD-518.

platform/framework/src/ExtensionRegistrar.js

@@ -25,16 +25,12 @@ define(
                 return category + "[" + name + "]";
             }
 
-            function identifyCategory(category) {
-                return category + Constants.EXTENSION_SUFFIX;
-            }
-
             function echo() {
                 return arguments.slice;
             }
 
             function staticFunction(value) {
-                return function () { return value; }
+                return function () { return value; };
             }
 
             // Utility function; create the second argument for Angular's