Remove deprecated command-line args
Remove deprecated command-line args

Some command-line args were deprecated in Diablo and slated for removal
in Folsom. They're being removed in Juno instead.

Change-Id: I02339ba08c997fecca5a6639382360962e668bfd

scottdangelo/cinderclient-api-microversions,eayunstack/python-cinderclient,varunarya10/python-cinderclient,swamireddy/python-cinderclient,scottdangelo/cinderclient-api-microversions,varunarya10/python-cinderclient,swamireddy/python-cinderclient,JioCloud/python-cinderclient,JioCloud/python-cinderclient,eayunstack/python-cinderclient