removed extraneous sound

the first sound file already includes this, and playing this second file
truncated the first.

Update/onik_002.txt

@@ -1155,7 +1155,6 @@ void main()
 
 	Wait( 400 );
 
-	PlaySE(3, "s19/04/500400222", 256, 64);
 	OutputLine(NULL, "梨花ぁ！」",
 		   NULL, " Rikaa!\"", Line_WaitForInput);
 	OutputLineAll(NULL, "\n", Line_ContinueAfterTyping);