macosx: remove outdated methods for fullscreen handling

modules/gui/macosx/MainWindow.h

@@ -192,7 +192,6 @@
 /* fullscreen handling */
 - (void)showFullscreenController;
 - (BOOL)isFullscreen;
-- (void)updateFullscreen;
 - (void)lockFullscreenAnimation;
 - (void)unlockFullscreenAnimation;
 - (void)enterFullscreen;
@@ -217,7 +216,6 @@
 }
 
 - (BOOL)isFullscreen;
-- (void)updateFullscreen;
 - (void)customZoom:(id)sender;
 
 @end

modules/gui/macosx/MainWindow.m

@@ -1924,11 +1924,6 @@ static VLCMainWindow *_o_sharedInstance = nil;
         [o_fspanel fadeIn];
 }
 
-- (void)updateFullscreen
-{
-    [[VLCMain sharedInstance] fullscreenChanged];
-}
-
 - (BOOL)isFullscreen
 {
     return b_fullscreen;
@@ -2858,11 +2853,6 @@ static VLCMainWindow *_o_sharedInstance = nil;
     [[VLCCoreInteraction sharedInstance] toggleFullscreen];
 }
 
-- (void)updateFullscreen
-{
-    [[VLCMain sharedInstance] fullscreenChanged];
-}
-
 - (BOOL)isFullscreen
 {
     return [[VLCMainWindow sharedInstance] isFullscreen];