Fix replay not automatically stopping at end

The deleted line was only reached when do_replay() found an end of a replay when at_end() returned false, which can only happen in the rare case that the last replay command was a chat command

src/playsingle_controller.cpp

@@ -836,6 +836,8 @@ void playsingle_controller::on_replay_end(bool is_unit_test)
 			e.is_victory = false;
 			set_end_level_data(e);
 		}
+	} else {
+		replay_controller_->stop_replay();
 	}
 }
 

src/replay_controller.cpp

@@ -176,9 +176,6 @@ void replay_controller::play_side_impl()
 				if(res == REPLAY_FOUND_END_TURN) {
 					return;
 				}
-				if(res == REPLAY_RETURN_AT_END) {
-					stop_replay();
-				}
 				if(res == REPLAY_FOUND_INIT_TURN)
 				{
 					stop_condition_->new_side_turn(controller_.current_side(), controller_.gamestate().tod_manager_.turn());