fixup! fix(material/dialog): css structure change

Author: wagnermaciel

src/material/dialog/dialog.ts

@@ -7,21 +7,19 @@
  */
 
 import {ComponentType, Overlay, OverlayContainer, ScrollStrategy} from '@angular/cdk/overlay';
-import {DOCUMENT, Location} from '@angular/common';
+import {Location} from '@angular/common';
 import {
   ANIMATION_MODULE_TYPE,
   ComponentRef,
   Inject,
   Injectable,
   InjectionToken,
   Injector,
-  NgZone,
   OnDestroy,
   Optional,
   SkipSelf,
   TemplateRef,
   Type,
-  inject,
 } from '@angular/core';
 import {MatDialogConfig} from './dialog-config';
 import {_MatDialogContainerBase, MatDialogContainer} from './dialog-container';
@@ -78,8 +76,6 @@ export abstract class _MatDialogBase<C extends _MatDialogContainerBase> implemen
   protected _idPrefix = 'mat-dialog-';
   private _dialog: Dialog;
   protected dialogConfigClass = MatDialogConfig;
-  protected _ngZone = inject(NgZone);
-  private _document = inject(DOCUMENT, {optional: true});
 
   /** Keeps track of the currently-open dialogs. */
   get openDialogs(): MatDialogRef<any>[] {