Revert "Merge branch 'check_pg_stat_activity' into 'master'"
Revert "Merge branch 'check_pg_stat_activity' into 'master'"

This reverts merge request !25723
mmkassem/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,iiet/iiet-git,iiet/iiet-git,stoplightio/gitlabhq,iiet/iiet-git