refactor: remove unused imports

gns3server/api/routes/controller/netmiko.py

@@ -63,7 +63,7 @@ def _load_netmiko_device_types() -> schemas.NetmikoDeviceTypeList:
     # imported them yet); failures are logged by the package itself, do not
     # fail the whole endpoint.
     try:
-        from gns3server.agent.gns3_copilot.utils import custom_netmiko
+        pass
     except Exception as e:
         log.warning(f"Could not register GNS3-copilot custom Netmiko drivers: {e}")