NFC: nxp-nci: Remove unused macro pr_fmt()

The macro had never been used.

The driver uses mostly the nfc_err(), which, with other macros in the family,
is backed by corresponding dev_err(). pr_fmt() is not used for dev_err()
macro. Moreover, there is no need to print the module name which is part of the
device instance name anyway.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/nfc/nxp-nci/i2c.c

@@ -12,8 +12,6 @@
  * Copyright (C) 2012  Intel Corporation. All rights reserved.
  */
 
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
 #include <linux/acpi.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>