[PR #11055/a9a4f890 backport][stable-12] remove required=false from docs (#11065)

remove required=false from docs (#11055)

(cherry picked from commit a9a4f89033)

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

plugins/modules/ilo_redfish_command.py

@@ -37,22 +37,18 @@ options:
       - Base URI of OOB controller.
     type: str
   username:
-    required: false
     description:
       - Username for authenticating to iLO.
     type: str
   password:
-    required: false
     description:
       - Password for authenticating to iLO.
     type: str
   auth_token:
-    required: false
     description:
       - Security token for authenticating to iLO.
     type: str
   timeout:
-    required: false
     description:
       - Timeout in seconds for HTTP requests to iLO.
     default: 60