Update to remove anastyakulyk and butuzov from uk-owners

Author: divya-mohan0209

OWNERS_ALIASES

@@ -189,9 +189,7 @@ aliases:
     - mfilocha
     - nvtkaszpir
   sig-docs-uk-owners: # Admins for Ukrainian content
-    - anastyakulyk
     - Arhell
-    - butuzov
     - MaxymVlasov
   sig-docs-uk-reviews: # PR reviews for Ukrainian content
     - Arhell