remove Vector3::negate from Lua public interface
remove Vector3::negate from Lua public interface

dbartolini/crown,mikymod/crown,dbartolini/crown,taylor001/crown,galek/crown,taylor001/crown,galek/crown,dbartolini/crown,galek/crown,mikymod/crown,mikymod/crown,taylor001/crown,dbartolini/crown,mikymod/crown,galek/crown,taylor001/crown