Change Details

Following the default value of the config `CheckUserEnableSpecialInvestigate` being set to `true`, Special:Investigate is now enabled on all installs unless specifically disabled. This config could be removed as no longer needed as there isn't a case where Special:Investigate needs to be disabled on a wiki. To allow integration of Special:InvestigateBlock with Special:CheckUser 'get users' (T329493) it must not be possible to disable the use of Special:InvestigateBlock through a config. While it could be possible to always enable Special:InvestigteBlock while keeping ======Acceptance criteria * [] Remove the `CheckUserEnableSpecial:Investigate controllable through ate` config, `CheckUserEnableSpecialInvestigate` seems to have been added to stage the release of the tool and not as a long term configuration setting.replacing relevant code to always enable Special:Investigate