engine: client: remove unused Key_IsBind

engine/client/client.h

@@ -1155,7 +1155,6 @@ void CL_PlayVideo_f( void );
 // keys.c
 //
 int Key_IsDown( int keynum );
-const char *Key_IsBind( int keynum );
 void Key_Event( int key, int down );
 void Key_Init( void );
 void Key_WriteBindings( file_t *f );

engine/client/keys.c

@@ -159,18 +159,6 @@ int GAME_EXPORT Key_IsDown( int keynum )
 	return keys[keynum].down;
 }
 
-/*
-===================
-Key_GetBind
-===================
-*/
-const char *Key_IsBind( int keynum )
-{
-	if( keynum == -1 || !keys[keynum].binding )
-		return NULL;
-	return keys[keynum].binding;
-}
-
 /*
 ===================
 Key_StringToKeynum