Removed source code of old touchbar.

Telegram/SourceFiles/platform/mac/mac_touchbar.h

@@ -1,40 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#pragma once
-
-#ifndef OS_OSX
-
-#include "platform/platform_specific.h"
-#include "media/audio/media_audio.h"
-#include "media/player/media_player_instance.h"
-#import <Cocoa/Cocoa.h>
-
-namespace Platform {
-
-enum class TouchBarType {
-	None,
-	Main,
-	AudioPlayer,
-	AudioPlayerForce,
-};
-
-} // namespace Platform
-
-@interface TouchBar : NSTouchBar
-
-@property(retain) NSDictionary * _Nullable touchBarItems;
-
-- (id _Nonnull) init:(NSView * _Nonnull)view
-	session:(not_null<Main::Session*>)session;
-- (void) handleTrackStateChange:(Media::Player::TrackState)state;
-- (void) setTouchBar:(Platform::TouchBarType)type;
-- (void) showInputFieldItem:(bool)show;
-
-@end
-
-#endif // OS_OSX