Remove usage of duplicate CGs

Update/onik_002.txt

@@ -628,7 +628,7 @@ void main()
 	DisableWindow();
 	DrawBustshotWithFiltering( 5, "black", "left", 0, 0, 0, FALSE, 0, 0, 0, 0, 0, 25, 1300, TRUE );
 	FadeOutBGM( 2, 1000, TRUE );
-	DrawSceneWithMask( "bg_040", "left", 0, 0, 1300 );
+	DrawSceneWithMask( "bg_039", "left", 0, 0, 1300 );
 
 //「これじゃあさ、俺のための案内ってより、俺のお披露目みたいだな…。＠
 	PlaySE(3, "s19/01/hr_kei01410", 256, 64);