fix: return if instance_list is empty

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/components/klipper/klipper_remove.py

@@ -78,6 +78,9 @@ def remove_instances(
     instance_manager: InstanceManager,
     instance_list: List[Klipper],
 ) -> None:
+    if not instance_list:
+        return
+
     for instance in instance_list:
         Logger.print_status(f"Removing instance {instance.get_service_file_name()} ...")
         instance_manager.current_instance = instance