Remove dead code from SchedulerReportClient
Remove dead code from SchedulerReportClient

The commit fd351903a1759109f66d0c66d42cd3a1b7f23861 removed the last
real user of get_allocations_for_consumer_by_provider() so this function
is now removed.

Change-Id: I7b883348bb610a435ee1b79e921da0e698037534

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