Removed gz_msgs from wpilibcSim
Removed gz_msgs from wpilibcSim

it's not directly required to link at this time, and if you want to use a different
version of protobuf on the end-user's computer then linking their robot programs
will fail

Change-Id: I9ad7c07a17b7a332b4027adbe71be605e415bc2d

PeterMitrano/allwpilib,RAR1741/wpilib,PatrickPenguinTurtle/allwpilib,robotdotnet/allwpilib,PatrickPenguinTurtle/allwpilib,robotdotnet/allwpilib,RAR1741/wpilib,333fred/allwpilib,JLLeitschuh/allwpilib,JLLeitschuh/allwpilib,PeterMitrano/allwpilib,PatrickPenguinTurtle/allwpilib,333fred/allwpilib,PatrickPenguinTurtle/allwpilib,PeterMitrano/allwpilib,JLLeitschuh/allwpilib,333fred/allwpilib,RAR1741/wpilib,RAR1741/wpilib,PeterMitrano/allwpilib,PatrickPenguinTurtle/allwpilib,JLLeitschuh/allwpilib,PeterMitrano/allwpilib,RAR1741/wpilib,PatrickPenguinTurtle/allwpilib,333fred/allwpilib,PatrickPenguinTurtle/allwpilib,PeterMitrano/allwpilib,333fred/allwpilib,JLLeitschuh/allwpilib,robotdotnet/allwpilib,robotdotnet/allwpilib,RAR1741/wpilib,robotdotnet/allwpilib,333fred/allwpilib,PeterMitrano/allwpilib,JLLeitschuh/allwpilib,RAR1741/wpilib,JLLeitschuh/allwpilib,robotdotnet/allwpilib