openstack: delete unused __flavor and __flavor_range methods
openstack: delete unused __flavor and __flavor_range methods

Signed-off-by: Kyr Shatskyy <82d0c7561ff7e9a20a19db22e8fb5b2adaa3d71e@gmail.com>

SUSE/teuthology,ceph/teuthology,dmick/teuthology,dmick/teuthology,SUSE/teuthology,ceph/teuthology,ktdreyer/teuthology,SUSE/teuthology,ktdreyer/teuthology,dmick/teuthology