Remove beta flag

Remove beta tag: {% include content/beta-note.md %}

Customer is no longer in Beta and is now in Public.

Author: charholt

src/connections/destinations/catalog/kustomer/index.md

@@ -6,8 +6,6 @@ rewrite: true
 
 This destination is maintained by Kustomer. For any issues with the destination, [contact the Kustomer Support team](mailto:[email protected]).
 
-{% include content/beta-note.md %}
-
 ## Getting Started
 
 {% include content/connection-modes.md %}