Move Repair and Salvage back to fn_selfActions

Partial revert of: 3aad4b6

Unfortunately this will not support loading external vehicle addons
(with custom UserActions) which we can not include in Epoch. Child
UserActions overwrite inherited UserActions.

SQF/dayz_code/Configs/CfgVehicles/Zeds/Zeds.hpp

@@ -74,6 +74,7 @@ class zZombie_Base : Zed_Base {
 			condition = "(['Butcher',this] call userActionConditions)";
 			statement = "this spawn player_butcher;";
 		};
+		delete StudyBody;
 	};
 	
 	class HitPoints {