tree 129f308865d771d2643df604e697b5aef8532758
parent 7304b6f8a7d2e928973cbb055926912afe82f6da
author Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1469815521 -0700
committer Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1469815521 -0700

Remove the wapper method show_quota_usage()

show_quota_usage() is just a wrapper method of show_quota_show(),
so it is not necessary to implement it as a library.
This patch removes it and makes tests switch to use show_quota_show()
directly.

Change-Id: Ieaa7650a9e975b5dc15575fd68235d83229e5d6c