Remove deprecated method OVSBridge.set_protocols()

This method is deprecated since Ocata and marked to remove in
Queens release.

Change-Id: I1e280d7ad9a966eb576e9c8ca5882b35cb37bad8

neutron/agent/common/ovs_lib.py

@@ -20,7 +20,6 @@ import random
 import time
 import uuid
 
-from debtcollector import removals
 from neutron_lib import constants as p_const
 from neutron_lib import exceptions
 from oslo_config import cfg
@@ -243,16 +242,6 @@ class OVSBridge(BaseOVS):
     def set_standalone_mode(self):
         self._set_bridge_fail_mode(FAILMODE_STANDALONE)
 
-    @removals.remove(
-        message=("Consider using add_protocols instead, or if replacing "
-                 "the whole set of supported protocols is the desired "
-                 "behavior, using set_db_attribute"),
-        version="Ocata",
-        removal_version="Queens")
-    def set_protocols(self, protocols):
-        self.set_db_attribute('Bridge', self.br_name, 'protocols', protocols,
-                              check_error=True)
-
     def add_protocols(self, *protocols):
         self.ovsdb.db_add('Bridge', self.br_name,
                           'protocols', *protocols).execute(check_error=True)

neutron/tests/functional/agent/test_ovs_lib.py

@@ -154,12 +154,6 @@ class OVSBridgeTestCase(OVSBridgeTestBase):
             self.br.db_get_val('Bridge', self.br.br_name, 'fail_mode'),
             fail_mode)
 
-    def test_set_protocols(self):
-        self.br.set_protocols('OpenFlow10')
-        self.assertEqual(
-            self.br.db_get_val('Bridge', self.br.br_name, 'protocols'),
-            "OpenFlow10")
-
     def test_add_protocols_start_with_one(self):
         self.br.set_db_attribute('Bridge', self.br.br_name, 'protocols',
                                  ['OpenFlow10'],