Remove query_client from resource_tracker
Remove query_client from resource_tracker

query_client is not used in resource_tracker, this is to remove it.

Change-Id: If55cfb3975af11661ce238e1cee2bfe37f112878

openstack/nova,rahulunair/nova,klmitch/nova,rahulunair/nova,openstack/nova,mahak/nova,mahak/nova,rahulunair/nova,klmitch/nova,openstack/nova,mahak/nova,klmitch/nova,klmitch/nova