mb/google/rambi: Don't set defaults for HAVE_IFD_BIN

There is no need set the default HAVE_IFD_BIN explicitly to n.

Change-Id: I4a5fe45e7f8f6dd018937861b0fb92a8da49904e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/28008
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/rambi/Kconfig

@@ -109,12 +109,4 @@ config VGA_BIOS_FILE
 	string
 	default "pci8086,0f31.rom"
 
-config HAVE_IFD_BIN
-	bool
-	default n
-
-config HAVE_ME_BIN
-	bool
-	default n
-
 endif # BOARD_GOOGLE_BASEBOARD_RAMBI