Tidy up validate-modules:doc-required-mismatch (#1415) (#1417)

* Tidy up validate-modules ignores doc-required-mismatch

* Tidy up validate-modules ignores doc-required-mismatch - update on 2.11

* Fixed chengelog frag

* rolledback removal of parameter from cloud/smartos/vmadm.py

* removed changelog frag for the rollback

* Update plugins/modules/cloud/smartos/vmadm.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Revert "removed changelog frag for the rollback"

This reverts commit 56a02ead3b.

* suggestion from PR

* yet another PR suggestion

Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit b69ea1dfd9)

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

plugins/modules/cloud/spotinst/spotinst_aws_elastigroup.py

@@ -145,7 +145,6 @@ options:
   key_pair:
     description:
       - (String) Specify a Key Pair to attach to the instances
-    required: true
 
   kubernetes:
     description:
@@ -181,7 +180,6 @@ options:
   monitoring:
     description:
       - (Boolean) Describes whether instance Enhanced Monitoring is enabled
-    required: true
 
   name:
     description:
@@ -214,7 +212,6 @@ options:
   on_demand_instance_type:
     description:
       - (String) On-demand instance type that will be provisioned
-    required: true
 
   opsworks:
     description:
@@ -342,7 +339,6 @@ options:
     description:
       - (String) The capacity unit to launch instances by.
       - "The available choices are: C(instance), C(weight)."
-    required: true
 
   up_scaling_policies:
     description: