Fixes a 500 without userid

plus cleanup of unused use statements

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

apps/settings/lib/Controller/HelpController.php

@@ -50,7 +50,7 @@ class HelpController extends Controller {
 		IRequest $request,
 		INavigationManager $navigationManager,
 		IURLGenerator $urlGenerator,
-		string $userId,
+		?string $userId,
 		IGroupManager $groupManager
 	) {
 		parent::__construct($appName, $request);

lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php

@@ -37,13 +37,8 @@ use OC\AppFramework\Middleware\Security\Exceptions\NotAdminException;
 use OC\AppFramework\Middleware\Security\Exceptions\NotLoggedInException;
 use OC\AppFramework\Middleware\Security\Exceptions\StrictCookieMissingException;
 use OC\AppFramework\Utility\ControllerMethodReflector;
-use OC\Security\CSP\ContentSecurityPolicyManager;
-use OC\Security\CSP\ContentSecurityPolicyNonceManager;
-use OC\Security\CSRF\CsrfTokenManager;
 use OCP\App\AppPathNotFoundException;
 use OCP\App\IAppManager;
-use OCP\AppFramework\Http\ContentSecurityPolicy;
-use OCP\AppFramework\Http\EmptyContentSecurityPolicy;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\AppFramework\Middleware;