Remove magic comments from Ruby files
What does this MR do?
Remove magic comments (# encoding: UTF-8
) from Ruby files.
Why was this MR needed?
Since Ruby 2, UTF-8 is the default encoding and those comments are no longer necessary.
What are the relevant issue numbers?
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/5163#note_13134307
cc @rymai