[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/java_keystore.py

@@ -77,15 +77,12 @@ options:
   owner:
     description:
       - Name of the user that should own jks file.
-    required: false
   group:
     description:
       - Name of the group that should own jks file.
-    required: false
   mode:
     description:
       - Mode the file should be.
-    required: false
   ssl_backend:
     description:
       - Backend for loading private keys and certificates.