mb/gigabyte/ga-g41m-es2l: Remove unused variable 'dev'

Change-Id: I9ebba0ee9e59cb7d18b5ce89b048f591a4402543
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40613
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/gigabyte/ga-g41m-es2l/early_init.c

@@ -30,10 +30,6 @@
 
 void bootblock_mainboard_early_init(void)
 {
-	pci_devfn_t dev;
-
-	/* Southbridge GPIOs. */
-	dev = PCI_DEV(0x0, 0x1f, 0x0);
 	/* Set default GPIOs on superio */
 	ite_reg_write(GPIO_DEV, 0x25, 0x00);
 	ite_reg_write(GPIO_DEV, 0x26, 0xc7);