removed old dynamic helper logic from the view system

lib/view.js

@@ -382,23 +382,6 @@ res._render = function(view, opts, fn, parent, sub){
   // charset option
   if (options.charset) this.charset = options.charset;
 
-  // Dynamic helper support
-  if (false !== options.dynamic) {
-    // cache
-    if (!this.__dynamic) {
-      this.__dynamic = {};
-      for (var key in dynamic) {
-        this.__dynamic[key] = dynamic[key].call(
-            this.app
-          , this.req
-          , this);
-      }
-    }
-
-    // apply
-    merge(options, this.__dynamic);
-  }
-
   // Merge view locals
   union(options, locals);