remove redundant condition
remove redundant condition

Enumerized values for validation have only enumerized attribute names as
keys.

monfresh/enumerize,shaundunne/enumerize,brainspec/enumerize,maurogeorge/enumerize,victor95pc/enumerize,quarkstudio/enumerize,tranvictor/enumerize,tanraya/enumerize,hungrything/enumerize