removing barrel reexport that only existed for amd template-compiler bundle

Author: ef4

packages/ember-template-compiler/lib/public-api.ts

@@ -1,5 +1,3 @@
-export { default as _Ember } from 'ember';
-
 import VERSION from 'ember/version';
 import * as _GlimmerSyntax from '@glimmer/syntax';