refactor(@schematics/angular): remove empty space in app.config.ts.template

(cherry picked from commit e6dc246)

Author: eneajaho

packages/schematics/angular/application/files/standalone-files/src/app/app.config.ts.template

@@ -4,5 +4,5 @@ import { provideRouter } from '@angular/router';
 import { routes } from './app.routes';<% } %>
 
 export const appConfig: ApplicationConfig = {
-  providers: [<% if (routing) { %>provideRouter(routes) <% } %>]
+  providers: [<% if (routing) { %>provideRouter(routes)<% } %>]
 };