Revert "Merge branch..."

This reverts merge request !150660

app/services/users/activity_service.rb

@@ -33,7 +33,9 @@ def record_activity
       return if user.last_activity_on == today
 
       lease = Gitlab::ExclusiveLease.new("activity_service:#{user.id}", timeout: LEASE_TIMEOUT)
-      return unless lease.try_obtain
+      # Skip transaction checks for exclusive lease as it is breaking system specs.
+      # See issue: https://gitlab.com/gitlab-org/gitlab/-/issues/441536
+      return unless Gitlab::ExclusiveLease.skipping_transaction_check { lease.try_obtain }
 
       user.update_attribute(:last_activity_on, today)