docs: remove standalone flag from examples

Removes the `standalone` flag from all of the example components.

Author: crisbeto

src/components-examples/cdk-experimental/popover-edit/cdk-popover-edit-cdk-table-flex/cdk-popover-edit-cdk-table-flex-example.ts

@@ -42,7 +42,6 @@ const ELEMENT_DATA: PeriodicElement[] = [
   selector: 'cdk-popover-edit-cdk-table-flex-example',
   styleUrl: 'cdk-popover-edit-cdk-table-flex-example.css',
   templateUrl: 'cdk-popover-edit-cdk-table-flex-example.html',
-  standalone: true,
   imports: [CdkTableModule, CdkPopoverEditModule, FormsModule],
 })
 export class CdkPopoverEditCdkTableFlexExample {

src/components-examples/cdk-experimental/popover-edit/cdk-popover-edit-cdk-table/cdk-popover-edit-cdk-table-example.ts

@@ -42,7 +42,6 @@ const ELEMENT_DATA: PeriodicElement[] = [
   selector: 'cdk-popover-edit-cdk-table-example',
   styleUrl: 'cdk-popover-edit-cdk-table-example.css',
   templateUrl: 'cdk-popover-edit-cdk-table-example.html',
-  standalone: true,
   imports: [CdkTableModule, CdkPopoverEditModule, FormsModule],
 })
 export class CdkPopoverEditCdkTableExample {

src/components-examples/cdk-experimental/popover-edit/cdk-popover-edit-cell-span-vanilla-table/cdk-popover-edit-cell-span-vanilla-table-example.ts

@@ -28,7 +28,6 @@ const PERSON_DATA: Person[] = [
   selector: 'cdk-popover-edit-cell-span-vanilla-table-example',
   styleUrl: 'cdk-popover-edit-cell-span-vanilla-table-example.css',
   templateUrl: 'cdk-popover-edit-cell-span-vanilla-table-example.html',
-  standalone: true,
   imports: [CdkPopoverEditModule, FormsModule],
 })
 export class CdkPopoverEditCellSpanVanillaTableExample {

src/components-examples/cdk-experimental/popover-edit/cdk-popover-edit-tab-out-vanilla-table/cdk-popover-edit-tab-out-vanilla-table-example.ts

@@ -39,7 +39,6 @@ const ELEMENT_DATA: PeriodicElement[] = [
   selector: 'cdk-popover-edit-tab-out-vanilla-table-example',
   styleUrl: 'cdk-popover-edit-tab-out-vanilla-table-example.css',
   templateUrl: 'cdk-popover-edit-tab-out-vanilla-table-example.html',
-  standalone: true,
   imports: [CdkPopoverEditModule, FormsModule],
 })
 export class CdkPopoverEditTabOutVanillaTableExample {

src/components-examples/cdk-experimental/popover-edit/cdk-popover-edit-vanilla-table/cdk-popover-edit-vanilla-table-example.ts

@@ -39,7 +39,6 @@ const ELEMENT_DATA: PeriodicElement[] = [
   selector: 'cdk-popover-edit-vanilla-table-example',
   styleUrl: 'cdk-popover-edit-vanilla-table-example.css',
   templateUrl: 'cdk-popover-edit-vanilla-table-example.html',
-  standalone: true,
   imports: [CdkPopoverEditModule, FormsModule],
 })
 export class CdkPopoverEditVanillaTableExample {

src/components-examples/cdk-experimental/selection/cdk-selection-column/cdk-selection-column-example.ts

@@ -9,7 +9,6 @@ import {CdkTableModule} from '@angular/cdk/table';
   selector: 'cdk-selection-column-example',
   templateUrl: 'cdk-selection-column-example.html',
   styleUrl: 'cdk-selection-column-example.css',
-  standalone: true,
   imports: [CdkTableModule, CdkSelectionModule],
 })
 export class CdkSelectionColumnExample {

src/components-examples/cdk-experimental/selection/cdk-selection-list/cdk-selection-list-example.ts

@@ -9,7 +9,6 @@ import {MatCheckboxModule} from '@angular/material/checkbox';
 @Component({
   selector: 'cdk-selection-list-example',
   templateUrl: 'cdk-selection-list-example.html',
-  standalone: true,
   imports: [CdkSelectionModule, MatCheckboxModule, AsyncPipe],
 })
 export class CdkSelectionListExample {

src/components-examples/cdk/a11y/focus-monitor-directives/focus-monitor-directives-example.ts

@@ -6,7 +6,6 @@ import {A11yModule, FocusOrigin} from '@angular/cdk/a11y';
   selector: 'focus-monitor-directives-example',
   templateUrl: 'focus-monitor-directives-example.html',
   styleUrl: 'focus-monitor-directives-example.css',
-  standalone: true,
   imports: [A11yModule],
 })
 export class FocusMonitorDirectivesExample {

src/components-examples/cdk/a11y/focus-monitor-focus-via/focus-monitor-focus-via-example.ts

@@ -17,7 +17,6 @@ import {MatFormFieldModule} from '@angular/material/form-field';
   selector: 'focus-monitor-focus-via-example',
   templateUrl: 'focus-monitor-focus-via-example.html',
   styleUrl: 'focus-monitor-focus-via-example.css',
-  standalone: true,
   imports: [MatFormFieldModule, MatSelectModule],
 })
 export class FocusMonitorFocusViaExample implements OnDestroy, AfterViewInit {

src/components-examples/cdk/a11y/focus-monitor-overview/focus-monitor-overview-example.ts

@@ -15,7 +15,6 @@ import {FocusMonitor, FocusOrigin} from '@angular/cdk/a11y';
   selector: 'focus-monitor-overview-example',
   templateUrl: 'focus-monitor-overview-example.html',
   styleUrl: 'focus-monitor-overview-example.css',
-  standalone: true,
 })
 export class FocusMonitorOverviewExample implements OnDestroy, AfterViewInit {
   private _focusMonitor = inject(FocusMonitor);