Remove anyjson test dependency

This is unneeded, we can just use json here and
not need an additional dep, since we use the json
module in many places in Cinder.

Change-Id: I5988c190659d349ad16debb4cd6e435e325975fe

cinder/tests/unit/fake_notifier.py

@@ -15,7 +15,7 @@
 import collections
 import functools
 
-import anyjson
+import json
 import oslo_messaging as messaging
 
 from cinder import rpc
@@ -53,7 +53,7 @@ class FakeNotifier(object):
         # NOTE(sileht): simulate the kombu serializer
         # this permit to raise an exception if something have not
         # been serialized correctly
-        anyjson.serialize(payload)
+        json.dumps(payload)
         msg = dict(publisher_id=self.publisher_id,
                    priority=priority,
                    event_type=event_type,

test-requirements.txt

@@ -5,7 +5,6 @@
 # Install bounded pep8/pyflakes first, then let flake8 install
 hacking<0.12,>=0.11.0 # Apache-2.0
 
-anyjson>=0.3.3 # BSD
 coverage>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD