chore: remove unused code (#3102)

apps/storybook/src/stories/affine-loading.stories.tsx

@@ -1,24 +0,0 @@
-import { AffineLoading } from '@affine/component/affine-loading';
-import type { StoryFn } from '@storybook/react';
-
-export default {
-  title: 'AFFiNE/Loading',
-  component: AffineLoading,
-};
-
-export const Default: StoryFn = ({ width, loop, autoplay, autoReverse }) => (
-  <div
-    style={{
-      width: width,
-      height: width,
-    }}
-  >
-    <AffineLoading loop={loop} autoplay={autoplay} autoReverse={autoReverse} />
-  </div>
-);
-Default.args = {
-  width: 100,
-  loop: true,
-  autoplay: true,
-  autoReverse: true,
-};

apps/storybook/src/stories/page-list.stories.tsx

@@ -1,6 +1,5 @@
 import { Empty } from '@affine/component';
 import { toast } from '@affine/component';
-import { AffineLoading } from '@affine/component/affine-loading';
 import type { OperationCellProps } from '@affine/component/page-list';
 import { PageListTrashView } from '@affine/component/page-list';
 import { PageList } from '@affine/component/page-list';
@@ -13,7 +12,7 @@ import { userEvent } from '@storybook/testing-library';
 
 export default {
   title: 'AFFiNE/PageList',
-  component: AffineLoading,
+  component: PageList,
 };
 
 export const AffineOperationCell: StoryFn<OperationCellProps> = ({