Revert "rector: arrrrr"

This reverts commit 16c0cd10d8.

app/Jobs/ServerCleanupMux.php

@@ -10,7 +10,6 @@ use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Queue\SerializesModels;
-use Throwable;
 
 class ServerCleanupMux implements ShouldBeEncrypted, ShouldQueue
 {
@@ -34,10 +33,8 @@ class ServerCleanupMux implements ShouldBeEncrypted, ShouldQueue
                 return 'Server is not reachable or not ready.';
             }
             SshMultiplexingHelper::removeMuxFile($this->server);
-        } catch (Throwable $e) {
+        } catch (\Throwable $e) {
             return handleError($e);
         }
-
-        return null;
     }
 }