[Registry] Remove obsolete QuantAvgPool2dNHWC node

src/finn/custom_op/registry.py

@@ -50,7 +50,6 @@ from finn.custom_op.fpgadataflow.addstreams_batch import AddStreams_Batch
 from finn.custom_op.fpgadataflow.labelselect_batch import LabelSelect_Batch
 from finn.custom_op.quantavgpool2d import QuantAvgPool2d
 from finn.custom_op.fpgadataflow.duplicatestreams_batch import DuplicateStreams_Batch
-from finn.custom_op.quantavgpool2dnhwc import QuantAvgPool2dNHWC
 
 # create a mapping of all known CustomOp names and classes
 custom_op = {}
@@ -73,7 +72,6 @@ custom_op["AddStreams_Batch"] = AddStreams_Batch
 custom_op["LabelSelect_Batch"] = LabelSelect_Batch
 custom_op["QuantAvgPool2d"] = QuantAvgPool2d
 custom_op["DuplicateStreams_Batch"] = DuplicateStreams_Batch
-custom_op["QuantAvgPool2dNHWC"] = QuantAvgPool2dNHWC
 
 
 def getCustomOp(node):