DOCSP-46099 -- remove public preview note (#2021) (#2086)

(cherry picked from commit f0ee22f)

Author: jvincent-mongodb

source/includes/setting-k8sScConf-spec.shardOverrides.rst

@@ -1,7 +1,5 @@
 .. setting:: spec.shardOverrides
 
-   .. include:: /includes/admonitions/note-mcsc-fields-public-preview.rst
-
    *Type*: array of objects
 
    *Optional*