fixup! feat(@schematics/angular): drop polyfills.ts file from new

Author: alan-agius4

packages/schematics/angular/application/files/src/test.ts.template

@@ -1,4 +1,5 @@
 // This file is required by karma.conf.js and loads recursively all the .spec and framework files
+import 'zone.js/testing';
 
 import { getTestBed } from '@angular/core/testing';
 import {

packages/schematics/angular/application/index.ts

@@ -211,7 +211,7 @@ function addAppToWorkspaceFile(
             builder: Builders.Karma,
             options: {
               main: `${sourceRoot}/test.ts`,
-              polyfills: ['zone.js', 'zone.js/testing'],
+              polyfills: ['zone.js'],
               tsConfig: `${projectRoot}tsconfig.spec.json`,
               karmaConfig: `${projectRoot}karma.conf.js`,
               inlineStyleLanguage,

packages/schematics/angular/library/files/src/test.ts.template

@@ -1,4 +1,5 @@
 // This file is required by karma.conf.js and loads recursively all the .spec and framework files
+import 'zone.js/testing';
 
 import { getTestBed } from '@angular/core/testing';
 import {

packages/schematics/angular/library/index.ts

@@ -110,7 +110,7 @@ function addLibToWorkspaceFile(
           options: {
             main: `${projectRoot}/src/test.ts`,
             tsConfig: `${projectRoot}/tsconfig.spec.json`,
-            polyfills: ['zone.js', 'zone.js/testing'],
+            polyfills: ['zone.js'],
             karmaConfig: `${projectRoot}/karma.conf.js`,
           },
         },