remove code made dead in 84556b1

After this commit, the replay_controller constructs
tod_manager_start_ using the same parameters as the play_controller
constructs tod_manager_. So the copy construction after this is
superfluous.

84556b11

src/replay_controller.cpp

@@ -120,8 +120,6 @@ replay_controller::replay_controller(const config& level,
 	show_everything_(false),
 	show_team_(state_of_game.classification().campaign_type == game_classification::MULTIPLAYER ? 0 : 1)
 {
-	tod_manager_start_ = tod_manager_;
-
 	// Our parent class correctly detects that we are loading a game. However,
 	// we are not loading mid-game, so from here on, treat this as not loading
 	// a game. (Allows turn_1 et al. events to fire at the correct time.)