staging: dgnc: dgnc_driver.h: Remove non-standard spinlock's macros

This patch removes non-standard spinlock's macros as they are no longer
used by this driver.

Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/dgnc/dgnc_driver.h

@@ -137,14 +137,6 @@
 #define SNIFF_MAX	65536		/* Sniff buffer size (2^n) */
 #define SNIFF_MASK	(SNIFF_MAX - 1)	/* Sniff wrap mask */
 
-/*
- * Lock function/defines.
- * Makes spotting lock/unlock locations easier.
- */
-# define DGNC_SPINLOCK_INIT(x)		spin_lock_init(&(x))
-# define DGNC_LOCK(x, y)		spin_lock_irqsave(&(x), y)
-# define DGNC_UNLOCK(x, y)		spin_unlock_irqrestore(&(x), y)
-
 /*
  * All the possible states the driver can be while being loaded.
  */