mainboard/google/kahlee: remove unused FILECODE macro

From what I can tell FILECODE isn't used at all in this file.
Remove it.

Change-Id: Ie88140e63a4917f470f42119c1fe4e8c7d2584ca
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/22317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/mainboard/google/kahlee/OemCustomize.c

@@ -17,8 +17,6 @@
 #include <agesawrapper.h>
 #include <PlatformMemoryConfiguration.h>
 
-#define FILECODE PROC_GNB_PCIE_FAMILY_0X15_F15PCIECOMPLEXCONFIG_FILECODE
-
 static const PSO_ENTRY DDR4PlatformMemoryConfiguration[] = {
 	DRAM_TECHNOLOGY(ANY_SOCKET, DDR4_TECHNOLOGY),
 	NUMBER_OF_DIMMS_SUPPORTED(ANY_SOCKET, ANY_CHANNEL, 1),

src/mainboard/google/kahlee/bootblock/OemCustomize.c

@@ -17,8 +17,6 @@
 #include <agesawrapper.h>
 #include <PlatformMemoryConfiguration.h>
 
-#define FILECODE PROC_GNB_PCIE_FAMILY_0X15_F15PCIECOMPLEXCONFIG_FILECODE
-
 static const PCIe_PORT_DESCRIPTOR PortList[] = {
 	/* Initialize Port descriptor (PCIe port, Lanes 7:4, D2F1) for NC*/
 	{