[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/ldap_inc.py

@@ -49,13 +49,11 @@ options:
     description:
       - The attribute to increment.
   increment:
-    required: false
     type: int
     default: 1
     description:
       - The value of the increment to apply.
   method:
-    required: false
     type: str
     default: auto
     choices: [auto, rfc4525, legacy]