tests/sanity/ignore-2.12.txt: Remove ansible-deprecated-no-collection-name

ansible-deprecated-no-collection-name is not needed anymore for
plugins/module_utils/ansible_freeipa_module.py with the removal of
FreeIPABaseModule class.

tests/sanity/ignore-2.12.txt

@@ -3,7 +3,6 @@ plugins/module_utils/ansible_freeipa_module.py import-2.6!skip
 plugins/module_utils/ansible_freeipa_module.py pylint:ansible-bad-import-from
 plugins/module_utils/ansible_freeipa_module.py pylint:ansible-bad-function
 plugins/module_utils/ansible_freeipa_module.py pylint:ansible-format-automatic-specification
-plugins/module_utils/ansible_freeipa_module.py pylint:ansible-deprecated-no-collection-name
 plugins/modules/ipaclient_get_facts.py compile-2.6!skip
 plugins/modules/ipaclient_get_facts.py import-2.6!skip
 plugins/modules/ipaclient_api.py pylint:ansible-format-automatic-specification