[xmp] Minor driver cleanup

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>

src/sound_oss.c

@@ -11,10 +11,6 @@
  * resume/onpause by Test Rat <ttsestt@gmail.com>
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <string.h>
 #include <stdlib.h>
 #include <sys/time.h>

src/sound_solaris.c

@@ -18,10 +18,6 @@
  * Wed, 30 Jun 1999 14:23:52 -0700 (PDT)
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>

src/sound_win32.c

@@ -9,10 +9,6 @@
 /*
  * Based on Bjornar Henden's driver for Mikmod
  */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <windows.h>
 #include <stdio.h>
 #include "sound.h"