replacing another fake "tracked" with the real one that works here

Author: ef4

packages/@glimmer/reference/package.json

@@ -41,6 +41,7 @@
   },
   "devDependencies": {
     "@glimmer/debug-util": "workspace:*",
+    "@glimmer/tracking": "workspace:*",
     "eslint": "^9.20.1",
     "publint": "^0.3.2",
     "rollup": "^4.34.8",

packages/@glimmer/reference/test/support.ts

@@ -1,30 +1,2 @@
-import { trackedData } from '@glimmer/validator';
-
-export function tracked<T extends object, K extends keyof T>(
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  obj: T | { new (...args: any[]): T },
-  key: K
-): void {
-  let target: T;
-  let initializer: (() => T[K]) | undefined;
-
-  if (typeof obj === 'function') {
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-    target = obj.prototype;
-  } else {
-    target = obj;
-    let initialValue = target[key];
-    initializer = () => initialValue;
-  }
-
-  let { getter, setter } = trackedData<T, K>(key, initializer);
-
-  Object.defineProperty(target, key, {
-    get(this: T) {
-      return getter(this);
-    },
-    set(this: T, value: T[K]) {
-      setter(this, value);
-    },
-  });
-}
+// TODO: lets point everybody who uses this directly at glimmer/tracking
+export { tracked } from '@glimmer/tracking';