Remove @dependentKeyCompat assertion.

The assertion helps prevent double work, but does not prevent
application errors/bugs (other than poor performance). This removes the
assertion and is intended for release in 3.22.2 and 3.20.7.

(cherry picked from commit 118f0f6)

packages/@ember/object/compat.ts

@@ -2,21 +2,15 @@ import { Meta } from '@ember/-internals/meta';
 import {
   Decorator,
   DecoratorPropertyDescriptor,
-  descriptorForProperty,
   isElementDescriptor,
   setClassicDecorator,
 } from '@ember/-internals/metal';
 import { assert } from '@ember/debug';
 import { consumeTag, tagFor, track, UpdatableTag, updateTag } from '@glimmer/validator';
 
-let wrapGetterSetter = function (target: object, key: string, desc: PropertyDescriptor) {
+let wrapGetterSetter = function (_target: object, key: string, desc: PropertyDescriptor) {
   let { get: originalGet } = desc;
 
-  assert(
-    'You attempted to use @dependentKeyCompat on a property that already has been decorated with either @computed or @tracked. @dependentKeyCompat is only necessary for native getters that are not decorated with @computed.',
-    descriptorForProperty(target, key) === undefined
-  );
-
   if (originalGet !== undefined) {
     desc.get = function () {
       let propertyTag = tagFor(this, key) as UpdatableTag;