[BUGFIX] ember-template-compiler & fastboot compatability

When importing ember-template-compiler as part of the dist bundle, it's initialiser for dom tempaltes
comes along aswell.

While this would just be extra bytes for no reason normally, when used in conjunction with fastboot.
It throws a document is undefined error, within the bootstrap module.

packages/ember-template-compiler/lib/system/initializer.ts

@@ -18,12 +18,9 @@ if (
   Application.initializer({
     name: 'domTemplates',
     initialize() {
-      let context;
       if (hasDOM) {
-        context = document;
+        bootstrap({ context: document, hasTemplate, setTemplate });
       }
-
-      bootstrap({ context, hasTemplate, setTemplate });
     },
   });
 }