Remove 'Status' field from healthmonitors details

Since loadbalancer healthmonitor object doesn't have
'status' attribute anymore, this patch removes 'status'
field from healthmonitor details page.

Fixes bug 1211780

Change-Id: I06b77852c7dbc9bc55d1d2aee4b7834fb9f398f1
Merge "Remove 'Status' field from healthmonitors details"