trivial: Remove FakeScheduler (for realz)

Change I61c1a47559645c41089747cc81270848b58b68f9 purported to remove the
unnecessary 'FakeScheduler', however, deleting the actual class never
happened. Do that now.

Change-Id: I865610c924d903cfafc049f0f2b9ab21b95a780b
Signed-off-by: Stephen Finucane <[email protected]>

Author: stephenfin

nova/tests/unit/scheduler/fakes.py

@@ -21,7 +21,6 @@
 from oslo_utils.fixture import uuidsentinel
 
 from nova import objects
-from nova.scheduler import driver
 from nova.scheduler import host_manager
 
 
@@ -224,11 +223,3 @@ def __init__(self, host, node, attribute_dict, instances=None):
             self.instances = {}
         for (key, val) in attribute_dict.items():
             setattr(self, key, val)
-
-
-class FakeScheduler(driver.Scheduler):
-
-    def select_destinations(self, context, spec_obj, instance_uuids,
-            alloc_reqs_by_rp_uuid, provider_summaries,
-            allocation_request_version=None, return_alternates=False):
-        return []