remove spurious leftovers from prev

OpenRA.Mods.Cnc/AirstrikePower.cs

@@ -18,10 +18,9 @@
  */
 #endregion
 
-using System.Collections.Generic;
+using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
-using OpenRA.Orders;
 
 namespace OpenRA.Mods.Cnc
 {

OpenRA.Mods.Cnc/IonCannonPower.cs

@@ -18,11 +18,9 @@
  */
 #endregion
 
-using System.Collections.Generic;
-using System.Linq;
 using OpenRA.Mods.Cnc.Effects;
-using OpenRA.Traits;
 using OpenRA.Orders;
+using OpenRA.Traits;
 
 namespace OpenRA.Mods.Cnc
 {

OpenRA.Mods.RA/GpsPower.cs

@@ -46,7 +46,7 @@ namespace OpenRA.Mods.RA
 
 			Owner.World.AddFrameEndTask(w =>
 			{
-				Sound.PlayToPlayer(Owner, "satlnch1.aud");
+				Sound.PlayToPlayer(Owner, Info.LaunchSound);
 
 				w.Add(new SatelliteLaunch(launchSite));
 				w.Add(new DelayedAction((Info as GpsPowerInfo).RevealDelay * 25, 

OpenRA.Mods.RA/ParatroopersPower.cs

@@ -18,10 +18,9 @@
  */
 #endregion
 
-using System.Collections.Generic;
+using OpenRA.Orders;
 using OpenRA.Traits;
 using OpenRA.Traits.Activities;
-using OpenRA.Orders;
 
 namespace OpenRA.Mods.RA
 {

OpenRA.Mods.RA/SupportPowers/NukePower.cs

@@ -18,12 +18,10 @@
  */
 #endregion
 
-using System.Collections.Generic;
 using System.Linq;
-using OpenRA.Effects;
 using OpenRA.Mods.RA.Effects;
-using OpenRA.Traits;
 using OpenRA.Orders;
+using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA.SupportPowers
 {

mods/ra/system.yaml

@@ -12,6 +12,7 @@ Player:
 		Prerequisites: ATEK
 		TechLevel: 12
 		RevealDelay: 15
+		LaunchSound: satlnch1.aud
 	ChronoshiftPower:
 		Image: warpicon
 		ChargeTime: 7