Revert "Revert "Remove argparse workaround (ostf)""
Revert "Revert "Remove argparse workaround (ostf)""

This reverts commit 299cadd5347a550a15524e385154593f969db4c9.

Fixes to python-muranoclient and python-saharaclient were merged, so there are no dependencies for argparse.

Change-Id: Ia529ce6b5ef9e348d0957b254f185b483a5f9ca5
Closes-bug: #1524714

SergK/fuel-main,SergK/fuel-main,SergK/fuel-main,stackforge/fuel-main,stackforge/fuel-main,stackforge/fuel-main