upd: remove Settings menu item from DashboardLayout user menu

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/frontend/components/DashboardLayout.tsx

@@ -201,12 +201,6 @@ export function DashboardLayout({ children }: DashboardLayoutProps) {
                 >
                   Profile
                 </Menu.Item>
-                <Menu.Item
-                  leftSection={<TbSettings size={16} />}
-                  onClick={() => navigate({ to: '/dashboard' })}
-                >
-                  Settings
-                </Menu.Item>
                 <Menu.Divider />
                 <Menu.Label>Danger Zone</Menu.Label>
                 <Menu.Item