fix(env): delete env files

apps/angular/ngfor-enhancement/project.json

@@ -36,12 +36,6 @@
               "maximumError": "4kb"
             }
           ],
-          "fileReplacements": [
-            {
-              "replace": "apps/angular/ngfor-enhancement/src/environments/environment.ts",
-              "with": "apps/angular/ngfor-enhancement/src/environments/environment.prod.ts"
-            }
-          ],
           "outputHashing": "all"
         },
         "development": {

apps/angular/ngfor-enhancement/src/environments/environment.prod.ts

@@ -1,3 +0,0 @@
-export const environment = {
-  production: true,
-};

apps/angular/ngfor-enhancement/src/environments/environment.ts

@@ -1,16 +0,0 @@
-// This file can be replaced during build by using the `fileReplacements` array.
-// `ng build` replaces `environment.ts` with `environment.prod.ts`.
-// The list of file replacements can be found in `angular.json`.
-
-export const environment = {
-  production: false,
-};
-
-/*
- * For easier debugging in development mode, you can import the following file
- * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
- *
- * This import should be commented out in production mode because it will have a negative impact
- * on performance if an error is thrown.
- */
-// import 'zone.js/plugins/zone-error';  // Included with Angular CLI.

apps/angular/ngfor-enhancement/src/main.ts

@@ -1,10 +1,4 @@
-import { enableProdMode } from '@angular/core';
 import { bootstrapApplication } from '@angular/platform-browser';
 import { AppComponent } from './app/app.component';
-import { environment } from './environments/environment';
-
-if (environment.production) {
-  enableProdMode();
-}
 
 bootstrapApplication(AppComponent).catch((err) => console.error(err));