macosx: quite obviously, it's no good idea to require protocols which are...

macosx: quite obviously, it's no good idea to require protocols which are available in future APIs only *coughcough*

This partially reverts [52b21462]

modules/gui/macosx/embeddedwindow.h

@@ -27,7 +27,7 @@
 
 #import "misc.h"
 
-@interface VLCEmbeddedWindow : NSWindow <NSWindowDelegate, NSAnimationDelegate>
+@interface VLCEmbeddedWindow : NSWindow
 {
     IBOutlet id o_btn_backward;
     IBOutlet id o_btn_forward;

modules/gui/macosx/intf.h

@@ -90,7 +90,7 @@ struct intf_sys_t
 @class VLCEmbeddedWindow;
 @class VLCControls;
 @class VLCPlaylist;
-@interface VLCMain : NSObject <NSWindowDelegate, NSToolbarDelegate>
+@interface VLCMain : NSObject
 {
     intf_thread_t *p_intf;      /* The main intf object */
     id o_prefs;                 /* VLCPrefs       */

modules/gui/macosx/misc.h

@@ -64,7 +64,7 @@
  *  Missing extension to NSWindow
  *****************************************************************************/
 
-@interface VLCWindow : NSWindow <NSWindowDelegate>
+@interface VLCWindow : NSWindow
 {
     BOOL b_canBecomeKeyWindow;
     BOOL b_isset_canBecomeKeyWindow;

modules/gui/macosx/playlist.h

@@ -34,7 +34,7 @@
 /*****************************************************************************
  * VLCPlaylistCommon interface
  *****************************************************************************/
-@interface VLCPlaylistCommon : NSObject <NSComboBoxDataSource>
+@interface VLCPlaylistCommon : NSObject
 {
     IBOutlet id o_tc_name;
     IBOutlet id o_tc_author;

modules/gui/macosx/prefs_widgets.h

@@ -69,7 +69,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface StringListConfigControl : VLCConfigControl <NSComboBoxDataSource>
+@interface StringListConfigControl : VLCConfigControl
 {
     NSComboBox      *o_combo;
 }
@@ -104,7 +104,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface IntegerConfigControl : VLCConfigControl <NSTextFieldDelegate>
+@interface IntegerConfigControl : VLCConfigControl
 {
     NSTextField     *o_textfield;
     NSStepper       *o_stepper;
@@ -118,7 +118,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface IntegerListConfigControl : VLCConfigControl <NSComboBoxDataSource>
+@interface IntegerListConfigControl : VLCConfigControl
 {
     NSComboBox      *o_combo;
 }
@@ -128,7 +128,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface RangedIntegerConfigControl : VLCConfigControl <NSTextFieldDelegate>
+@interface RangedIntegerConfigControl : VLCConfigControl
 {
     NSSlider        *o_slider;
     NSTextField     *o_textfield;
@@ -154,7 +154,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface FloatConfigControl : VLCConfigControl <NSTextFieldDelegate>
+@interface FloatConfigControl : VLCConfigControl
 {
     NSTextField     *o_textfield;
     NSStepper       *o_stepper;
@@ -168,7 +168,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface RangedFloatConfigControl : VLCConfigControl <NSTextFieldDelegate>
+@interface RangedFloatConfigControl : VLCConfigControl
 {
     NSSlider        *o_slider;
     NSTextField     *o_textfield;
@@ -194,7 +194,7 @@ static NSMenu   *o_keys_menu = nil;
 
 @end
 
-@interface ModuleListConfigControl : VLCConfigControl <NSTableViewDataSource>
+@interface ModuleListConfigControl : VLCConfigControl
 {
     NSTextField     *o_textfield;
     NSScrollView    *o_scrollview;

modules/gui/macosx/simple_prefs.h

@@ -25,7 +25,7 @@
 #import "intf.h"
 #import <vlc_common.h>
 
-@interface VLCSimplePrefs : NSObject <NSToolbarDelegate>
+@interface VLCSimplePrefs : NSObject
 {
     IBOutlet id o_audio_dolby_pop;
     IBOutlet id o_audio_dolby_txt;