Tidy up validate-modules:doc-choices-do-not-match-spec II: The Rebase (#1409)

* fixed validation-modules for plugins/modules/cloud/lxc/lxc_container.py

* fixed validation-modules for plugins/modules/cloud/smartos/vmadm.py

* fixed validation-modules for plugins/modules/cloud/spotinst/spotinst_aws_elastigroup.py

* fixed validation-modules for plugins/modules/cloud/univention/udm_dns_record.py

* fixed validation-modules for plugins/modules/cloud/univention/udm_dns_zone.py

* fixed validation-modules for plugins/modules/cloud/lxc/lxc_container.py

* fixed validation-modules for plugins/modules/cloud/univention/udm_user.py

* fixed validation-modules for plugins/modules/clustering/etcd3.py

* fixed validation-modules for plugins/modules/clustering/znode.py

* fixed validation-modules for plugins/modules/remote_management/hpilo/hpilo_boot.py

* fixed validation-modules for plugins/modules/remote_management/ipmi/ipmi_boot.py

* fixed validation-modules for plugins/modules/remote_management/ipmi/ipmi_power.py

* fixed validation-modules for plugins/modules/remote_management/manageiq/manageiq_provider.py

* fixed validation-modules for plugins/modules/remote_management/stacki/stacki_host.py

* fixed validation-modules for plugins/modules/cloud/univention/udm_share.py

* Removed validate-modules:doc-choices-do-not-match-spec from ignore files

* fixed alias samba_inherit_permissions in udm_share.py

* Rolled back a couple of lines

* Removed duplicate key in docs

* Rolled back a couple of troublesome lines

* Removed no-longer necessary ignore lines

* Removed no-longer necessary ignore lines on 2.11 as well

* Removed no-longer necessary ignore lines on 2.9 this time

plugins/modules/clustering/znode.py

@@ -27,9 +27,11 @@ options:
     op:
         description:
             - An operation to perform. Mutually exclusive with state.
+        choices: [ get, wait, list ]
     state:
         description:
             - The state to enforce. Mutually exclusive with op.
+        choices: [ present, absent ]
     timeout:
         description:
             - The amount of time to wait for a node to appear.