upgrading: 2.4 - Add acl_global_path removal

Author: sirainen

docs/installation/upgrade/2.4-to-2.4.x.md

@@ -61,3 +61,9 @@ changed to `2.4.3`.
 | `service/pop3/service_extra_groups` | [[setting,default_internal_group]] | |
 | `service/submission/service_extra_groups` | [[setting,default_internal_group]] | |
 | `service/managesieve/service_extra_groups` | [[setting,default_internal_group]] | |
+
+#### Removed Features
+
+| Feature | Notes |
+| ------- | ----- |
+| [[setting,acl_global_path]] setting | See [[link,upgrading_2_4_acls]]. |