refactor(material/schematics): drop standalone flag from schematics

since v19 Angular components are standalone by default so we don't have to add `standalone` flag
to be true explicitly in schematics

Author: naaajii

src/material/schematics/ng-generate/address-form/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template

@@ -22,7 +22,6 @@ import { FormBuilder, Validators } from '@angular/forms';
   styleUrl: './<%= dasherize(name) %>.component.<%= style %>'<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %><% if(standalone) { %>,
-  standalone: true,
   imports: [
     MatInputModule,
     MatButtonModule,

src/material/schematics/ng-generate/address-form/index.spec.ts

@@ -74,7 +74,6 @@ describe('Material address-form schematic', () => {
       });
 
       expect(module).not.toContain('FooComponent');
-      expect(content).toContain('standalone: true');
       expect(content).toContain('imports: [');
     });
 
@@ -84,7 +83,6 @@ describe('Material address-form schematic', () => {
       const component = getFileContent(tree, '/projects/material/src/app/foo/foo.component.ts');
 
       expect(tree.exists('/projects/material/src/app/app.module.ts')).toBe(false);
-      expect(component).toContain('standalone: true');
       expect(component).toContain('imports: [');
     });
   });

src/material/schematics/ng-generate/dashboard/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template

@@ -20,7 +20,6 @@ import { MatCardModule } from '@angular/material/card';<% } %>
   styleUrl: './<%= dasherize(name) %>.component.<%= style %>'<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %><% if(standalone) { %>,
-  standalone: true,
   imports: [
     AsyncPipe,
     MatGridListModule,

src/material/schematics/ng-generate/dashboard/index.spec.ts

@@ -78,7 +78,6 @@ describe('material-dashboard-schematic', () => {
       });
 
       expect(module).not.toContain('FooComponent');
-      expect(component).toContain('standalone: true');
       expect(component).toContain('imports: [');
     });
 
@@ -91,7 +90,6 @@ describe('material-dashboard-schematic', () => {
       );
 
       expect(tree.exists('/projects/material/src/app/app.module.ts')).toBe(false);
-      expect(componentContent).toContain('standalone: true');
       expect(componentContent).toContain('imports: [');
     });
   });

src/material/schematics/ng-generate/navigation/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template

@@ -21,7 +21,6 @@ import { map, shareReplay } from 'rxjs/operators';
   styleUrl: './<%= dasherize(name) %>.component.<%= style %>'<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %><% if(standalone) { %>,
-  standalone: true,
   imports: [
     MatToolbarModule,
     MatButtonModule,

src/material/schematics/ng-generate/navigation/index.spec.ts

@@ -89,7 +89,6 @@ describe('material-navigation-schematic', () => {
       });
 
       expect(module).not.toContain('FooComponent');
-      expect(component).toContain('standalone: true');
       expect(component).toContain('imports: [');
     });
 
@@ -102,7 +101,6 @@ describe('material-navigation-schematic', () => {
       );
 
       expect(tree.exists('/projects/material/src/app/app.module.ts')).toBe(false);
-      expect(componentContent).toContain('standalone: true');
       expect(componentContent).toContain('imports: [');
     });
   });

src/material/schematics/ng-generate/table/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template

@@ -16,7 +16,6 @@ import { <%= classify(name) %>DataSource, <%= classify(name) %>Item } from './<%
   styleUrl: './<%= dasherize(name) %>.component.<%= style %>'<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %><% if(standalone) { %>,
-  standalone: true,
   imports: [MatTableModule, MatPaginatorModule, MatSortModule]<% } %>
 })
 export class <%= classify(name) %>Component implements AfterViewInit {

src/material/schematics/ng-generate/table/index.spec.ts

@@ -84,7 +84,6 @@ describe('material-table-schematic', () => {
       });
 
       expect(module).not.toContain('FooComponent');
-      expect(component).toContain('standalone: true');
       expect(component).toContain('imports: [');
     });
 
@@ -97,7 +96,6 @@ describe('material-table-schematic', () => {
       );
 
       expect(tree.exists('/projects/material/src/app/app.module.ts')).toBe(false);
-      expect(componentContent).toContain('standalone: true');
       expect(componentContent).toContain('imports: [');
     });
   });

src/material/schematics/ng-generate/tree/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template

@@ -35,7 +35,6 @@ export interface FlatTreeNode {
   styleUrl: './<%= dasherize(name) %>.component.<%= style %>'<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %><% if(standalone) { %>,
-  standalone: true,
   imports: [MatTreeModule, MatButtonModule, MatIconModule]<% } %>
 })
 export class <%= classify(name) %>Component {

src/material/schematics/ng-generate/tree/index.spec.ts

@@ -62,7 +62,6 @@ describe('Material tree schematic', () => {
       });
 
       expect(module).not.toContain('FooComponent');
-      expect(component).toContain('standalone: true');
       expect(component).toContain('imports: [');
     });
 
@@ -75,7 +74,6 @@ describe('Material tree schematic', () => {
       );
 
       expect(tree.exists('/projects/material/src/app/app.module.ts')).toBe(false);
-      expect(componentContent).toContain('standalone: true');
       expect(componentContent).toContain('imports: [');
     });
   });