This erroneously displays a quota of 20 if quota is 0. Since Change
I1b278d221d0f15d92d67869cd3ac897d041eaf90, API always returns a quota,
so this check is no longer necessary.
Also fixed to show 100% if quota = 0; without this dashboard will show
NaN% when 0/0 .
Change-Id: Id59e63639667e2ec5fa01b57ef4a7ff5cd0db37d