Core/Command: Improve .group list to feature several notes and features to improve handling.
Core/Misc: Get rid of some useless code
Merge pull request #11050 from Ascathor/master

Core/Command: Improve .group list to feature several notes and features ...
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore.git into Dartk-Core
actualizacion trinit