refactor(editor): remove dependency of command global types (#9903)

Closes: [BS-2216](https://linear.app/affine-design/issue/BS-2216/remove-global-types-in-command)

blocksuite/affine/block-database/src/database-spec.ts

@@ -1,17 +1,11 @@
-import {
-  BlockViewExtension,
-  CommandExtension,
-  FlavourExtension,
-} from '@blocksuite/block-std';
+import { BlockViewExtension, FlavourExtension } from '@blocksuite/block-std';
 import type { ExtensionType } from '@blocksuite/store';
 import { literal } from 'lit/static-html.js';
 
 import { DatabaseBlockAdapterExtensions } from './adapters/extension.js';
-import { commands } from './commands.js';
 
 export const DatabaseBlockSpec: ExtensionType[] = [
   FlavourExtension('affine:database'),
-  CommandExtension(commands),
   BlockViewExtension('affine:database', literal`affine-database`),
   DatabaseBlockAdapterExtensions,
 ].flat();