Simplify rivetsBinderCall, as it doesn't make much sense to have that

function contain so many smarts.

@@ -8,15 +8,7 @@ define([
     'use strict';
     var rivetsBinderCall = function(binding, binderName, methodName, args) {
         var binder = rivets.binders[binderName];
-        if (binder instanceof Function) {
-            if (methodName === 'routine') {
-                binder.apply(binding, args);
-            }
-        } else if (binder) {
-            if (binder[methodName]) {
         binder[methodName].apply(binding, args);
-            }
-        }
     };
 
     var render = function() {