Remove deprecated features, bump version to 6.0.0 (#5326)

* Bump version to 6.0.0.

* sender option is now required.

* Default of want_proxmox_nodes_ansible_host changed from true to false.

* username is now an alias of user, and no longer of workspace.

* Remove deprecated return values in favor of end_state.

* Remove debug option.

* Change default of ignore_volatile_options from true to false.

* gitlab_group must now always contain the full path.

* Change default of norc from false to ture.

* Remove deprecated property.

* Add PR URL.

* Adjust bitbucket unit tests.

* Adjust module_helper integration test.

plugins/modules/source_control/gitlab/gitlab_group_members.py

@@ -27,7 +27,7 @@ options:
   gitlab_group:
     description:
       - The C(full_path) of the GitLab group the member is added to/removed from.
-      - Setting this to C(name) or C(path) is deprecated and will be removed in community.general 6.0.0. Use C(full_path) instead.
+      - Setting this to C(name) or C(path) has been disallowed since community.general 6.0.0. Use C(full_path) instead.
     required: true
     type: str
   gitlab_user:
@@ -176,12 +176,6 @@ class GitLabGroup(object):
         for group in groups:
             if group.full_path == gitlab_group:
                 return group.id
-        for group in groups:
-            if group.path == gitlab_group or group.name == gitlab_group:
-                self._module.deprecate(
-                    msg="Setting 'gitlab_group' to 'name' or 'path' is deprecated. Use 'full_path' instead",
-                    version="6.0.0", collection_name="community.general")
-                return group.id
 
     # get all members in a group
     def get_members_in_a_group(self, gitlab_group_id):