Remove passing the warheads from DamageWarhead to AttackInfo.

Added a Damage class to pass damage value and damage(types) instead.
This removes a great amount of overhead and longterm opens possibilities to have damagetypes without warheads.

OpenRA.Mods.Common/Activities/CaptureActor.cs

@@ -69,7 +69,7 @@ namespace OpenRA.Mods.Common.Activities
 				else
 				{
 					var damage = health.MaxHP * capturesInfo.SabotageHPRemoval / 100;
-					actor.InflictDamage(self, damage, null);
+					actor.InflictDamage(self, new Damage(damage));
 				}
 
 				self.Dispose();

OpenRA.Mods.Common/Activities/Repair.cs

@@ -71,7 +71,7 @@ namespace OpenRA.Mods.Common.Activities
 					return this;
 				}
 
-				self.InflictDamage(self, -hpToRepair, null);
+				self.InflictDamage(self, new Damage(-hpToRepair));
 
 				foreach (var depot in host.TraitsImplementing<INotifyRepair>())
 					depot.Repairing(host, self);

OpenRA.Mods.Common/Activities/RepairBuilding.cs

@@ -36,7 +36,7 @@ namespace OpenRA.Mods.Common.Activities
 			if (health.DamageState == DamageState.Undamaged)
 				return;
 
-			target.InflictDamage(self, -health.MaxHP, null);
+			target.InflictDamage(self, new Damage(-health.MaxHP));
 		}
 	}
 }