fix(files_reminders): Lower disabled notifications app error to info

Signed-off-by: Louis Chemineau <louis@chmn.me>

apps/files_reminders/lib/Listener/LoadAdditionalScriptsListener.php

@@ -31,7 +31,7 @@ class LoadAdditionalScriptsListener implements IEventListener {
 		}
 
 		if (!$this->appManager->isEnabledForUser('notifications')) {
-			$this->logger->error('Failed to register the `files_reminders` app. This could happen due to the `notifications` app being disabled.', ['app' => 'files_reminders']);
+			$this->logger->info('Skipped registering the `files_reminders` app because the `notifications` app is disabled.', ['app' => 'files_reminders']);
 			return;
 		}