[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/keyring.py

@@ -41,7 +41,6 @@ options:
     type: str
   user_password:
     description: The password to set.
-    required: false
     type: str
     aliases:
       - password
@@ -51,7 +50,6 @@ options:
     type: str
   state:
     description: Whether the password should exist.
-    required: false
     default: present
     type: str
     choices: