Revert "feat(ivy): support for i18n & ICU expressions (#26275)"

This reverts commit a63fd2d0f5.

packages/core/src/render3/util.ts

@@ -249,16 +249,4 @@ export function getParentInjectorTNode(
 export const defaultScheduler =
     (typeof requestAnimationFrame !== 'undefined' && requestAnimationFrame ||  // browser only
      setTimeout                                                                // everything else
-     ).bind(global);
-
-/**
- * Equivalent to ES6 spread, add each item to an array.
- *
- * @param items The items to add
- * @param arr The array to which you want to add the items
- */
-export function addAllToArray(items: any[], arr: any[]) {
-  for (let i = 0; i < items.length; i++) {
-    arr.push(items[i]);
-  }
-}
+     ).bind(global);