Staging: dgnc: dgnc_driver.h: remove unnecessary comments

The public headers is well known by others and the redundant commits make
the code mess. Remove the comments of the public headers to make the code
tidy.
Signed-off-by: Navy Cheng <navych@126.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/dgnc/dgnc_driver.h

@@ -21,9 +21,9 @@
 #ifndef __DGNC_DRIVER_H
 #define __DGNC_DRIVER_H
 
-#include <linux/types.h>	/* To pick up the varions Linux types */
-#include <linux/tty.h>	  /* To pick up the various tty structs/defines */
-#include <linux/interrupt.h>	/* For irqreturn_t type */
+#include <linux/types.h>
+#include <linux/tty.h>
+#include <linux/interrupt.h>
 
 #include "digi.h"		/* Digi specific ioctl header */
 #include "dgnc_sysfs.h"		/* Support for SYSFS */