Remove unused imports

Author: agners

src/controller/python/chip/ChipDeviceCtrl.py

@@ -50,12 +50,9 @@
 from .clusters import Attribute as ClusterAttribute
 from .clusters import ClusterObjects as ClusterObjects
 from .clusters import Command as ClusterCommand
-from .clusters import Objects as GeneratedObjects
 from .clusters.CHIPClusters import ChipClusters
 from .crypto import p256keypair
-from .exceptions import UnknownAttribute, UnknownCommand
-from .interaction_model import InteractionModelError, SessionParameters, SessionParametersStruct
-from .interaction_model import delegate as im
+from .interaction_model import SessionParameters, SessionParametersStruct
 from .native import PyChipError
 
 __all__ = ["ChipDeviceController", "CommissioningParameters"]