feat(@schematics/angular): remove --server-routing option

Server-side rendering (SSR) will always enable server routing when using the application builder.

BREAKING CHANGE: `--server-routing` option has been removed from several schematics. Server routing will be used when using the application builder.

Author: alan-agius4

packages/angular/ssr/schematics/ng-add/index_spec.ts

@@ -14,7 +14,6 @@ import { join } from 'node:path';
 describe('@angular/ssr ng-add schematic', () => {
   const defaultOptions = {
     project: 'test-app',
-    serverRouting: false,
   };
 
   const schematicRunner = new SchematicTestRunner(

packages/angular/ssr/schematics/ng-add/schema.json

@@ -16,10 +16,6 @@
       "description": "Skip the automatic installation of packages. You will need to manually install the dependencies later.",
       "type": "boolean",
       "default": false
-    },
-    "serverRouting": {
-      "description": "Configure the server application to use the Angular Server Routing API and App Engine APIs (currently in Developer Preview).",
-      "type": "boolean"
     }
   },
   "required": ["project"],