message: Update default-app template
diff: @@ -18,8 +18,6 @@ import {
  SidebarContext,
  SidebarSpace,
  SidebarUserSettings,
  - SidebarThemeToggle,
  - SidebarPinButton,
  DefaultProviderSettings,
  } from '@backstage/core';
  @@ -39,9 +37,7 @@ export const AppSidebar = () => (
  <SidebarDivider />
  <SidebarSpace />
  <SidebarDivider />
  - <SidebarThemeToggle />
  <SidebarUserSettings providerSettings={<DefaultProviderSettings />} />
  - <SidebarPinButton />
  </Sidebar>
  );
  