Update CODEOWNERS

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

.github/CODEOWNERS

@@ -1,6 +1,6 @@
 # App maintainers
 /apps/admin_audit/appinfo/info.xml            @luka-nextcloud @blizzz
-/apps/cloud_federation_api/appinfo/info.xml   @vitormattos @mejo-
+/apps/cloud_federation_api/appinfo/info.xml   @mejo-
 /apps/comments/appinfo/info.xml               @marcelklehr @Pytal
 /apps/contactsinteraction/appinfo/info.xml    @kesselb @miaulalala @ChristophWurst @GretaD @hamza221 @st3iny
 /apps/dashboard/appinfo/info.xml              @julien-nc @juliushaertl