win_share: tweaks after the caching mode changes (#22763)

* win_share: tweaks after the caching mode changes

* Re-added the Unknown option back in

lib/ansible/modules/windows/win_share.py

@@ -39,15 +39,14 @@ options:
   name:
     description:
       - Share name
-    required: yes
+    required: True
   path:
     description:
       - Share directory
-    required: yes
+    required: True
   state:
     description:
       - Specify whether to add C(present) or remove C(absent) the specified share
-    required: no
     choices:
       - present
       - absent
@@ -55,36 +54,24 @@ options:
   description:
     description:
       - Share description
-    required: no
-    default: none
   list:
     description:
       - Specify whether to allow or deny file listing, in case user got no permission on share
-    required: no
     choices:
       - yes
       - no
-    default: none
   read:
     description:
       - Specify user list that should get read access on share, separated by comma.
-    required: no
-    default: none
   change:
     description:
       - Specify user list that should get read and write access on share, separated by comma.
-    required: no
-    default: none
   full:
     description:
       - Specify user list that should get full access on share, separated by comma.
-    required: no
-    default: none
   deny:
     description:
       - Specify user list that should get no access, regardless of implied access on share, separated by comma.
-    required: no
-    default: none
   caching_mode:
     description:
       - Set the CachingMode for this share.
@@ -95,8 +82,8 @@ options:
       - None
       - Programs
       - Unknown
-    required: no
-    default: "None"
+    default: "Manual"
+    version_added: "2.3"
 author: Hans-Joachim Kliemeck (@h0nIg), David Baumann (@daBONDi)
 '''