refactor(editor): remove redundant edgeless icons (#10169)

Continue [BS-2240](https://linear.app/affine-design/issue/BS-2240/%E6%B8%85%E7%90%86%E9%87%8D%E5%A4%8D%E7%9A%84icon)

This PR removes `icons/edgeless.ts` and refactor with `@blocksuite/icons` for reducing redundant icons

packages/frontend/core/src/blocksuite/presets/ai/entries/slash-menu/setup-slash-menu.ts

@@ -9,9 +9,9 @@ import {
   type AIItemConfig,
   AIStarIcon,
   DocModeProvider,
-  MoreHorizontalIcon,
 } from '@blocksuite/affine/blocks';
 import { assertExists } from '@blocksuite/affine/global/utils';
+import { MoreHorizontalIcon } from '@blocksuite/icons/lit';
 import { html } from 'lit';
 
 import { pageAIGroups } from '../../_common/config';
@@ -107,7 +107,7 @@ export function setupSlashMenuAIEntry(slashMenu: AffineSlashMenuWidget) {
 
     {
       name: 'Action with above',
-      icon: iconWrapper(MoreHorizontalIcon),
+      icon: iconWrapper(MoreHorizontalIcon({ width: '24px', height: '24px' })),
       subMenu: [
         { groupName: 'Action with above' },
         ...AIItems.filter(({ name }) =>