Merge branch 'remove-copy-code-animation' into 'master'

Remove transition animation of copy code button

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/170478



Merged-by: Tomas Bulva <tbulva@gitlab.com>
Approved-by: Chad Lavimoniere <clavimoniere@gitlab.com>
Approved-by: Tomas Bulva <tbulva@gitlab.com>
Co-authored-by: Annabel Dunstone Gray <annabel.dunstone@gmail.com>