Remove log 'Start draging bone', since it's at wrong time
Remove log 'Start draging bone', since it's at wrong time

kerryChen95/AlloyStick,kerryChen95/boneAnimationEditor,AlloyTeam/AlloyAnimation,kerryChen95/boneAnimationEditor,AlloyTeam/AlloyAnimation,AlloyTeamDev/AlloyAnimation,kerryChen95/AlloyStick,AlloyTeamDev/AlloyAnimation,AlloyTeam/AlloyAnimation,kerryChen95/boneAnimationEditor,AlloyTeamDev/AlloyAnimation