perf(jqLite): move bind/unbind definitions out of the loop

The bind/unbind aliases to on/off were being assinged in every iteration
of the function assigning traversal methods to the prototype. Now it happens
only once.

Author: mgol

src/jqLite.js

@@ -1067,12 +1067,12 @@ forEach({
     }
     return isDefined(value) ? value : this;
   };
-
-  // bind legacy bind/unbind to on/off
-  JQLite.prototype.bind = JQLite.prototype.on;
-  JQLite.prototype.unbind = JQLite.prototype.off;
 });
 
+// bind legacy bind/unbind to on/off
+JQLite.prototype.bind = JQLite.prototype.on;
+JQLite.prototype.unbind = JQLite.prototype.off;
+
 
 // Provider for private $$jqLite service
 /** @this */