We need not to explicitly call bind for all InteractionGadget.

This will be done by default by RenderJs.

test/renderjs_test.js

@@ -96,7 +96,6 @@ function setupRenderJSTest(){
 
     // we need to wait for all gadgets loading ...
     RenderJs.GadgetIndex.getRootGadget().getDom().bind("ready", function () {
-      RenderJs.InteractionGadget.bind($("#main-interactor"));
       start();
       equal(0, counter);
       // A.inc will call B.inc, both will increase counter by 1