fix(core): remove plugins settings (#5337)

depend on https://github.com/toeverything/AFFiNE/pull/5324

tests/affine-local/e2e/settings.spec.ts

@@ -4,7 +4,6 @@ import { waitForEditorLoad } from '@affine-test/kit/utils/page-logic';
 import {
   openAboutPanel,
   openAppearancePanel,
-  openPluginsPanel,
   openSettingModal,
   openShortcutsPanel,
 } from '@affine-test/kit/utils/setting';
@@ -79,15 +78,6 @@ test('Open shortcuts panel', async ({ page }) => {
   await expect(title).toBeVisible();
 });
 
-test('Open plugins panel', async ({ page }) => {
-  await openHomePage(page);
-  await waitForEditorLoad(page);
-  await openSettingModal(page);
-  await openPluginsPanel(page);
-  const title = page.getByTestId('plugins-title');
-  await expect(title).toBeVisible();
-});
-
 test('Open about panel', async ({ page }) => {
   await openHomePage(page);
   await waitForEditorLoad(page);