Revert "Check NVP router's status before deploying a service"

This reverts commit 25103df197c1f366eac8dd3069fabc01d3bd18e9.
Since it always leads to an gate failure filed on https://bugs.launchpad.net/neutron/+bug/1332502 although can't find the reason until now.

Change-Id: I45cb2b5b82b421c016dcc9603b04edb638ff84cf
Merge "Revert "Check NVP router's status before deploying a service""