idc.py: Removed duplicate MakeUnkn()
idc.py: Removed duplicate MakeUnkn()

trietptm/idapython,Alwnikrotikz/idapython,kamilkk/idapython,Alwnikrotikz/idapython,trietptm/idapython,trietptm/idapython,rigmar/idapython,kamilkk/idapython,rigmar/idapython,kamilkk/idapython,rigmar/idapython,roymuste/idapython,roymuste/idapython,roymuste/idapython,Alwnikrotikz/idapython