Revert "[Core] Add GetGroupTitle, GetGroupColor, and SetGroupColor"
Revert "[Core] Add GetGroupTitle, GetGroupColor, and SetGroupColor"

This reverts commit e155f933e47473e1c9156a81e46c8acedf6e1a0b.

Visagalis/Oxide,LaserHydra/Oxide,Visagalis/Oxide,LaserHydra/Oxide