[IMP] database_cleanup: Unlink with new cursor

Needed for purging payment providers which recompute module_state

database_cleanup/models/purge_modules.py

@@ -55,8 +55,8 @@ class CleanupPurgeLineModule(models.TransientModel):
         to_remove += to_remove.downstream_dependencies()
         to_remove.write({"state": "to remove"})
         installed.button_immediate_uninstall()
-        modules.env.invalidate_all()
-        modules.unlink()
+        with self.env.registry.cursor() as new_cr:
+            self.env(cr=new_cr)["ir.module.module"].browse(modules.ids).unlink()
         return self.write({"purged": True})