Remove RepairBuildings from Aircraft

Require them to use Repairable trait instead.

OpenRA.Mods.Common/UpdateRules/UpdatePath.cs

@@ -99,6 +99,7 @@ namespace OpenRA.Mods.Common.UpdateRules
 				new ChangeTakeOffSoundAndLandingSound(),
 				new RemoveHealthPercentageRing(),
 				new RenameCrateActionNotification(),
+				new RemoveRepairBuildingsFromAircraft(),
 			})
 		};