macosx: remove outdated code

(cherry picked from commit af197084)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/macosx/about.h

@@ -60,7 +60,6 @@
 
 + (VLAboutBox *)sharedInstance;
 - (void)showAbout;
-- (void)VLCWillTerminate;
 - (void)showHelp;
 - (IBAction)showGPL:(id)sender;
 - (IBAction)helpGoHome:(id)sender;

modules/gui/macosx/about.m

@@ -82,12 +82,6 @@ static VLAboutBox *_o_sharedInstance = nil;
 {
     if(! b_isSetUp )
     {
-        /* we want to know when VLC wants to quit to prevent a crash while scrolling our credits */
-        [[NSNotificationCenter defaultCenter] addObserver: self
-                                                 selector: @selector(VLCWillTerminate)
-                                                     name: NSApplicationWillTerminateNotification
-                                                   object: nil];
-
         /* Get the localized info dictionary (InfoPlist.strings) */
         NSDictionary *o_local_dict;
         o_local_dict = [[NSBundle mainBundle] localizedInfoDictionary];
@@ -194,12 +188,6 @@ static VLAboutBox *_o_sharedInstance = nil;
     }
 }
 
-- (void)VLCWillTerminate
-{
-    [o_scroll_timer invalidate];
-    [[NSNotificationCenter defaultCenter] removeObserver: self];
-}
-
 /*****************************************************************************
 * VLC GPL Window, action called from the about window and the help menu
 *****************************************************************************/