accounts: use account selection model

Refs #75626

Change-Id: If9dbd47d5463b4a17aff31eae6dd3699cf7e9883
diff --git a/src/AccAudioVC.h b/src/AccAudioVC.h
index 38f8283..1434fc8 100644
--- a/src/AccAudioVC.h
+++ b/src/AccAudioVC.h
@@ -36,11 +36,7 @@
 
 #import "QNSTreeController.h"
 
-@interface AccAudioVC : NSViewController <NSOutlineViewDelegate> {
-
-}
-
-- (void)loadAccount:(Account *)account;
+@interface AccAudioVC : NSViewController <NSOutlineViewDelegate>
 
 @end