net: wan: slic_ds26522: Remove unused macro DRV_NAME

There is no caller in tree any more.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/slic_ds26522.c

@@ -22,8 +22,6 @@
 #include <linux/io.h>
 #include "slic_ds26522.h"
 
-#define DRV_NAME "ds26522"
-
 #define SLIC_TRANS_LEN 1
 #define SLIC_TWO_LEN 2
 #define SLIC_THREE_LEN 3