Remove obsolete #include <linux/config.h>

Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

drivers/usb/serial/belkin_sa.c

@@ -63,7 +63,6 @@
  *    UsbSnoop on Windows2000 and from examining the other USB drivers.
  */
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/init.h>