* Remove pool option from redhat_subscription.
* Remove proxmox_default_behavior option from proxmox_kvm.
* Remove the logging option from ejabberd_user.
* Remove the ack_params_state_absent option from consul.
* irc: change defaults of use_tls and validate_certs to true.
* rhsm_repository: remove states present and absent.
* Re-add 'using'.
* Fix typo.
* Remove disable_facts from xfconf module.
* Remove deprecated module_helper CmdMixin and users.
* Deprecate ArgFormat as well, which wasn't explicitly deprecated yet.
* Remove state=get from gconftool2.
* Remove default of access_level in gitlab_runner.
* Remove state=list from manageiq_polices.
* Remove state=list from manageiq_tags.
* Consul: when state=absent, certain options can no longer be specified.
* Remove support for Ansible 2.9 and ansible-base 2.10 from ansible_galaxy_install.
* Bump community.general version to 8.0.0.
* Fix gconftool2 tests.
* Remove mh.mixins.cmd module_utils completely.
* Re-add removed anchor on its first non-removed usage.
* remove references in return doc, refactor method _setup210plus
* remove no longer needed check in function parse_check
* improve expression
* Fix YAML.
* Lint.
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Co-authored-by: Alexei Znamensky <russoz@gmail.com>