Remove unused imports for vyos (#67550)

These flake8 errors would caught in our collection testing.

Signed-off-by: Paul Belanger <pabelanger@redhat.com>

lib/ansible/module_utils/network/vyos/config/firewall_rules/firewall_rules.py

@@ -15,7 +15,7 @@ __metaclass__ = type
 
 from copy import deepcopy
 from ansible.module_utils.network.common.cfg.base import ConfigBase
-from ansible.module_utils.network.common.utils import to_list, dict_diff, remove_empties
+from ansible.module_utils.network.common.utils import to_list, remove_empties
 from ansible.module_utils.network.vyos.facts.facts import Facts
 from ansible.module_utils.six import iteritems
 from ansible.module_utils.network.vyos.utils.utils import list_diff_want_only

lib/ansible/module_utils/network/vyos/config/static_routes/static_routes.py

@@ -19,7 +19,7 @@ from ansible.module_utils.network.common.utils import to_list, dict_diff, remove
 from ansible.module_utils.network.vyos.facts.facts import Facts
 from ansible.module_utils.six import iteritems
 from ansible.module_utils.network. vyos.utils.utils import get_route_type, \
-    diff_list_of_dicts, get_lst_diff_for_dicts, get_lst_same_for_dicts, dict_delete
+    get_lst_diff_for_dicts, get_lst_same_for_dicts, dict_delete
 
 
 class Static_routes(ConfigBase):

test/units/modules/network/vyos/test_vyos_firewall_rules.py

@@ -19,7 +19,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-from units.compat.mock import patch, MagicMock
+from units.compat.mock import patch
 from ansible.modules.network.vyos import vyos_firewall_rules
 from units.modules.utils import set_module_args
 from .vyos_module import TestVyosModule, load_fixture

test/units/modules/network/vyos/test_vyos_static_routes.py

@@ -19,7 +19,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-from units.compat.mock import patch, MagicMock
+from units.compat.mock import patch
 from ansible.modules.network.vyos import vyos_static_routes
 from units.modules.utils import set_module_args
 from .vyos_module import TestVyosModule, load_fixture