Revert "Update chat-service.js; operation string parameter in error reporter updated; " on master
This reverts merge request !1886 (merged)
The original MR was merged to master by an accident. I'm reverting the change and we'll merge the original contribution to develop
@zzxoto FYI https://gitlab.com/gitlab-org/gitter/webapp#contributing I'm going to create a new MR with your change.