Remove dayz pbo

The only difference from the vanilla dayz pbo is the DeathScreen change.
It is better to do that in dayz_code RscTitles. Then the dayz pbo does
not need to be maintained in this repo.

SQF/dayz_code/compile/player_death.sqf

@@ -133,7 +133,7 @@ _body setVariable["combattimeout", 0, true];
 //dayzFlies = player;
 //publicVariable "dayzFlies";
 uiSleep 2;
-1 cutRsc ["DeathScreen","BLACK OUT",3];
+1 cutRsc ["DeathScreen_DZE","BLACK OUT",3];
 playMusic "dayz_track_death_1";
 uiSleep 2;