refactor(editor): remove page root service (#12048)

blocksuite/affine/blocks/root/src/page/page-root-block.ts

@@ -28,7 +28,6 @@ import { query } from 'lit/decorators.js';
 import { repeat } from 'lit/directives/repeat.js';
 
 import { PageKeyboardManager } from '../keyboard/keyboard-manager.js';
-import type { PageRootService } from './page-root-service.js';
 
 const DOC_BLOCK_CHILD_PADDING = 24;
 const DOC_BOTTOM_PADDING = 32;
@@ -49,10 +48,7 @@ function testClickOnBlankArea(
   return state.raw.clientX < blankLeft || state.raw.clientX > blankRight;
 }
 
-export class PageRootBlockComponent extends BlockComponent<
-  RootBlockModel,
-  PageRootService
-> {
+export class PageRootBlockComponent extends BlockComponent<RootBlockModel> {
   static override styles = css`
     editor-host:has(> affine-page-root, * > affine-page-root) {
       display: block;

blocksuite/affine/blocks/root/src/page/page-root-service.ts

@@ -1,7 +0,0 @@
-import { RootBlockSchema } from '@blocksuite/affine-model';
-
-import { RootService } from '../root-service.js';
-
-export class PageRootService extends RootService {
-  static override readonly flavour = RootBlockSchema.model.flavour;
-}

blocksuite/affine/blocks/root/src/page/page-root-spec.ts

@@ -5,11 +5,9 @@ import { literal } from 'lit/static-html.js';
 
 import { PageClipboard } from '../clipboard/page-clipboard.js';
 import { CommonSpecs } from '../common-specs/index.js';
-import { PageRootService } from './page-root-service.js';
 
 const PageCommonExtension: ExtensionType[] = [
   CommonSpecs,
-  PageRootService,
   ViewportElementExtension('.affine-page-viewport'),
 ].flat();