Merge branch 'sy-rm-monitor-metrics-03' into 'master'

Clean up prometheus metrics from integration settings frontend

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160483



Merged-by: Paulina Sedlak-Jakubowska <psedlak-jakubowska@gitlab.com>
Approved-by: Paulina Sedlak-Jakubowska <psedlak-jakubowska@gitlab.com>
Reviewed-by: Sarah Yasonik <syasonik@gitlab.com>
Reviewed-by: Justin Ho Tuan Duong <hduong@gitlab.com>
Co-authored-by: syasonik <syasonik@gitlab.com>