Remove queryParams concatenation support

Author: wagenet

packages/@ember/controller/index.ts

@@ -25,8 +25,6 @@ const MODEL = Symbol('MODEL');
   @public
 */
 class Controller<T = unknown> extends FrameworkObject {
-  concatenatedProperties = ['queryParams'];
-
   /**
    This property is updated to various different callback functions depending on
    the current "state" of the backing route. It is used by