Removed most call to raise_draw_event

These don't seem necessary anymore since draw handling happens per-frame and doesn't rely
on calling derived class's draw() member.

src/controller_base.cpp

@@ -215,7 +215,6 @@ void controller_base::play_slice(bool is_delay_enabled)
 
 	events::pump();
 	events::raise_process_event();
-	events::raise_draw_event();
 
 	// Update sound sources before scrolling
 	if (soundsource::manager *l = get_soundsource_man()) {

src/editor/controller/editor_controller.cpp

@@ -89,7 +89,6 @@ editor_controller::editor_controller(const config &game_config, CVideo& video)
 
 	gui().create_buttons();
 	gui().redraw_everything();
-    events::raise_draw_event();
 }
 
 void editor_controller::init_gui()

src/play_controller.cpp

@@ -1076,7 +1076,6 @@ void play_controller::start_game()
 		init_gui();
 		LOG_NG << "first_time..." << (is_skipping_replay() ? "skipping" : "no skip") << "\n";
 
-		events::raise_draw_event();
 		fire_start();
 		if (is_regular_game_end()) {
 			return;
@@ -1094,7 +1093,6 @@ void play_controller::start_game()
 	else
 	{
 		init_gui();
-		events::raise_draw_event();
 		gamestate().gamedata_.set_phase(game_data::PLAY);
 		gui_->recalculate_minimap();
 	}
@@ -1153,7 +1151,6 @@ void play_controller::play_turn()
 	whiteboard_manager_->on_gamestate_change();
 	gui_->new_turn();
 	gui_->invalidate_game_status();
-	events::raise_draw_event();
 
 	LOG_NG << "turn: " << turn() << "\n";
 

src/playsingle_controller.cpp

@@ -139,7 +139,6 @@ void playsingle_controller::init_gui(){
 
 	update_locker lock_display(gui_->video(), is_skipping_replay());
 	get_hotkey_command_executor()->set_button_state();
-	events::raise_draw_event();
 }
 
 

src/replay_controller.cpp

@@ -266,7 +266,6 @@ void replay_controller::update_gui()
 	controller_.get_display().recalculate_minimap();
 	controller_.get_display().redraw_minimap();
 	controller_.get_display().invalidate_all();
-	events::raise_draw_event();
 	controller_.get_display().draw();
 }