fix: Fix type typo that was introduced previously

This typo was introducted in a4f43f8. It just so happens that currently
both classes use the same word for REMOVE/remove which is why this
worked, but we need to fix the typo.

Author: Erethon

src/shared/listeners/cache_suggestions.py

@@ -130,7 +130,7 @@ def apply_package_overlays(
     to_skip = {
         edit.package_attribute
         for edit in edits
-        if edit.edit_type == MaintainerOverlay.Type.REMOVE
+        if edit.edit_type == PackageOverlay.Type.REMOVE
     }
 
     return {attr: data for attr, data in packages.items() if attr not in to_skip}