Remove deprecated features and plugins for 11.0.0 (#10126)

* Bump version to 11.0.0.

* Removed deprecated plugins/modules.

* Remove _init_session().

* Remove ack_venv_creation_deprecation.

* Change behavior of state.

* Remove value reading.

* Remove list_all.

* Remove various deprecated module helper things.

* Change default of proxmox's update parameter.

* Fix constructor command order.

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

* MH: adjust guide

---------

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

changelogs/fragments/deprecations.yml

@@ -0,0 +1,19 @@
+removed_features:
+  - "stackpath_compute inventory plugin - the plugin was removed since the company and the service were sunset in June 2024 (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "manifold lookup plugin - the plugin was removed since the company was acquired in 2021 and service was ceased afterwards (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "clc_* modules and doc fragment - the modules were removed since CenturyLink Cloud services went EOL in September 2023 (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "hipchat - the module was removed since the hipchat service has been discontinued and the self-hosted variant has been End of Life since 2020 (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "profitbrick* modules - the modules were removed since the supporting library is unsupported since 2021 (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "redfish_utils module utils - the ``_init_session`` method has been removed (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "django_manage - the ``ack_venv_creation_deprecation`` option has been removed. It had no effect anymore anyway (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "apt_rpm - the ``present`` and ``installed`` states are no longer equivalent to ``latest``, but to ``present_not_latest`` (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "git_config - it is no longer allowed to use ``state=present`` with no value to read the config value. Use the ``community.general.git_config_info`` module instead (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "git_config - the ``list_all`` option has been removed. Use the ``community.general.git_config_info`` module instead (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "mh.mixins.deps module utils - this module utils has been removed. Use the ``deps`` module utils instead (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "mh.mixins.vars module utils - this module utils has been removed. Use ``VarDict`` from the ``vardict`` module utils instead (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "mh.module_helper module utils - ``VarDict`` is now imported from the ``vardict`` module utils and no longer from the removed ``mh.mixins.vars`` module utils (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "mh.module_helper module utils - ``AnsibleModule`` and ``VarsMixin`` are no longer provided (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "mh.module_helper module utils - the attributes ``use_old_vardict`` and ``mute_vardict_deprecation`` from ``ModuleHelper`` have been removed. We suggest to remove them from your modules if you no longer support community.general < 11.0.0 (https://github.com/ansible-collections/community.general/pull/10126)."
+  - "module_helper module utils - ``StateMixin``, ``DependencyCtxMgr``, ``VarMeta``, ``VarDict``, and ``VarsMixin`` are no longer provided (https://github.com/ansible-collections/community.general/pull/10126)."
+breaking_changes:
+  - "proxmox - the default of ``update`` changed from ``false`` to ``true`` (https://github.com/ansible-collections/community.general/pull/10126)."