Fix FFA CheckMurder (#510)

Patches/IntroPatch.cs

@@ -1318,9 +1318,6 @@ internal static class IntroCutsceneDestroyPatch
                 case CustomGameMode.Standard:
                     Blessed.AfterMeetingTasks();
                     break;
-                case CustomGameMode.FFA:
-                    LateTask.New(() => Main.EnumerateAlivePlayerControls().Do(x => x.RpcSetRoleDesync(RoleTypes.Impostor, x.OwnerId)), 6f);
-                    break;
                 case CustomGameMode.KingOfTheZones:
                     Main.Instance.StartCoroutine(KingOfTheZones.GameStart());
                     break;