Turns down the volume of a few of Old Birds sounds to make it more bearable
Will replace the following sounds with files that are at 50% volume:
Fly：MissileFly.
Missile Explosion：MissileExplosion、
Missle Explosion:MissileExplosion2
3DLradAudio2:LradBrainwashingSignal1
3DLradAudio2:LradBrainwashingSignal4
3DLradAudio2：LradBrainwashingSignal6
3DLradAudio2:LradBrainwashingSignal7
3DLradAudio2:LradBrainwashingSignal8
LRADAlarm3
3DLradAudio2:robotTune
3DLradAudio2:ToWar
RadMechAmbientSFX
RadMechStomp1
RadMechStomp2
RadMechStomp3
RadMechStomp4
RadMechWake