refactor(compiler): drop old codegen tests that run inside of test.sh

These tests were hard to maintain and only yielded little value,
now that we have the full integration with TypeScript.

modules/@angular/compiler/test/output/ts_emitter_spec.ts

@@ -8,11 +8,10 @@
 
 import {CompileIdentifierMetadata} from '@angular/compiler/src/compile_metadata';
 import * as o from '@angular/compiler/src/output/output_ast';
+import {ImportResolver} from '@angular/compiler/src/output/path_util';
 import {TypeScriptEmitter} from '@angular/compiler/src/output/ts_emitter';
 import {beforeEach, describe, expect, it} from '@angular/core/testing/testing_internal';
 
-import {SimpleJsImportGenerator} from './output_emitter_util';
-
 const someModuleUrl = 'somePackage/somePath';
 const anotherModuleUrl = 'somePackage/someOtherPath';
 
@@ -22,6 +21,12 @@ const sameModuleIdentifier =
 const externalModuleIdentifier =
     new CompileIdentifierMetadata({name: 'someExternalId', moduleUrl: anotherModuleUrl});
 
+class SimpleJsImportGenerator implements ImportResolver {
+  fileNameToModuleName(importedUrlStr: string, moduleUrlStr: string): string {
+    return importedUrlStr;
+  }
+}
+
 export function main() {
   // Note supported features of our OutputAsti n TS:
   // - real `const` like in Dart