[9.0.0] Remove deprecated modules and features (#8198)

* Remove deprecated modules.

* Update BOTMETA.

* Update ignore.txt files.

* Bump collection version to 9.0.0.

* Change timeout from 10 to 60.

* Remove the alias autosubscribe of auto_attach.

* Change default of mode from compatibility to new.

* Remove deprecated classes.

* Remove mh.mixins.deps.DependencyMixin.

* Remove flowdock module.

* Remove proxmox_default_behavior option.

* Remove ack_* options.

* Remove deprecated command support.

* Change virtualenv behavior.

* Fix changelog.

* Remove imports of deprecated (and now removed) code.

* Fix tests.

* Fix sanity tests.

* Require Django 4.1.

* Use V() instead of C() for values.

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>

* django_manage: improve docs for release 9.0.0

* markup

* fix doc notes in cpanm

---------

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
Co-authored-by: Alexei Znamensky <russoz@gmail.com>

plugins/doc_fragments/rackspace.py

@@ -1,120 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2014, Matt Martz <matt@sivel.net>
-# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-from __future__ import (absolute_import, division, print_function)
-__metaclass__ = type
-
-
-class ModuleDocFragment(object):
-
-    # Standard Rackspace only documentation fragment
-    DOCUMENTATION = r'''
-options:
-  api_key:
-    description:
-      - Rackspace API key, overrides O(credentials).
-    type: str
-    aliases: [ password ]
-  credentials:
-    description:
-      - File to find the Rackspace credentials in. Ignored if O(api_key) and
-        O(username) are provided.
-    type: path
-    aliases: [ creds_file ]
-  env:
-    description:
-      - Environment as configured in C(~/.pyrax.cfg),
-        see U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#pyrax-configuration).
-    type: str
-  region:
-    description:
-      - Region to create an instance in.
-    type: str
-  username:
-    description:
-      - Rackspace username, overrides O(credentials).
-    type: str
-  validate_certs:
-    description:
-      - Whether or not to require SSL validation of API endpoints.
-    type: bool
-    aliases: [ verify_ssl ]
-requirements:
-  - pyrax
-notes:
-  - The following environment variables can be used, E(RAX_USERNAME),
-    E(RAX_API_KEY), E(RAX_CREDS_FILE), E(RAX_CREDENTIALS), E(RAX_REGION).
-  - E(RAX_CREDENTIALS) and E(RAX_CREDS_FILE) point to a credentials file
-    appropriate for pyrax. See U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#authenticating).
-  - E(RAX_USERNAME) and E(RAX_API_KEY) obviate the use of a credentials file.
-  - E(RAX_REGION) defines a Rackspace Public Cloud region (DFW, ORD, LON, ...).
-'''
-
-    # Documentation fragment including attributes to enable communication
-    # of other OpenStack clouds. Not all rax modules support this.
-    OPENSTACK = r'''
-options:
-  api_key:
-    type: str
-    description:
-      - Rackspace API key, overrides O(credentials).
-    aliases: [ password ]
-  auth_endpoint:
-    type: str
-    description:
-      - The URI of the authentication service.
-      - If not specified will be set to U(https://identity.api.rackspacecloud.com/v2.0/).
-  credentials:
-    type: path
-    description:
-      - File to find the Rackspace credentials in. Ignored if O(api_key) and
-        O(username) are provided.
-    aliases: [ creds_file ]
-  env:
-    type: str
-    description:
-      - Environment as configured in C(~/.pyrax.cfg),
-        see U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#pyrax-configuration).
-  identity_type:
-    type: str
-    description:
-      - Authentication mechanism to use, such as rackspace or keystone.
-    default: rackspace
-  region:
-    type: str
-    description:
-      - Region to create an instance in.
-  tenant_id:
-    type: str
-    description:
-      - The tenant ID used for authentication.
-  tenant_name:
-    type: str
-    description:
-      - The tenant name used for authentication.
-  username:
-    type: str
-    description:
-      - Rackspace username, overrides O(credentials).
-  validate_certs:
-    description:
-      - Whether or not to require SSL validation of API endpoints.
-    type: bool
-    aliases: [ verify_ssl ]
-deprecated:
-  removed_in: 9.0.0
-  why: This module relies on the deprecated package pyrax.
-  alternative: Use the Openstack modules instead.
-requirements:
-  - pyrax
-notes:
-  - The following environment variables can be used, E(RAX_USERNAME),
-    E(RAX_API_KEY), E(RAX_CREDS_FILE), E(RAX_CREDENTIALS), E(RAX_REGION).
-  - E(RAX_CREDENTIALS) and E(RAX_CREDS_FILE) points to a credentials file
-    appropriate for pyrax. See U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#authenticating).
-  - E(RAX_USERNAME) and E(RAX_API_KEY) obviate the use of a credentials file.
-  - E(RAX_REGION) defines a Rackspace Public Cloud region (DFW, ORD, LON, ...).
-'''