refactor(editor): extensionalize surface canvas renderer (#11456)

blocksuite/affine/blocks/block-root/src/edgeless/edgeless-root-service.ts

@@ -2,8 +2,6 @@ import { EdgelessFrameManagerIdentifier } from '@blocksuite/affine-block-frame';
 import {
   EdgelessCRUDIdentifier,
   EdgelessLegacySlotIdentifier,
-  type ElementRenderer,
-  elementRenderers,
   getSurfaceBlock,
   type SurfaceBlockModel,
   type SurfaceContext,
@@ -48,8 +46,6 @@ export class EdgelessRootService extends RootService implements SurfaceContext {
 
   private readonly _surface: SurfaceBlockModel;
 
-  elementRenderers: Record<string, ElementRenderer> = elementRenderers;
-
   TemplateJob = TemplateJob;
 
   get blocks(): GfxBlockElementModel[] {