Use MEL command to delete nodes during sync
Use MEL command to delete nodes during sync

Instead of using deleteNode() because that could delete the parent node as
well.

sideeffects/HoudiniEngineForMaya,sideeffects/HoudiniEngineForMaya,pokyfudywise/HoudiniEngineForMaya,pokyfudywise/HoudiniEngineForMaya,sideeffects/HoudiniEngineForMaya,sonictk/HoudiniEngineForMaya,sonictk/HoudiniEngineForMaya,sonictk/HoudiniEngineForMaya,pokyfudywise/HoudiniEngineForMaya