mb/facebook/fbg1701: Remove ONBOARD_SAMSUNG_MEM

CONFIG_ONBOARD_SAMSUNG_MEM is not used anymore.

Remove CONFIG_ONBOARD_SAMSUNG_MEM.
This patch was intended to be part of CB:59754, but was not included in
the latest patchset.

BUG = N/A
TEST = Boot Facebook FBG1701 Rev 1.0 - 1.4

Change-Id: Id351bcafe005cc1b3319d7186ece2b5b9a7f49ac
Signed-off-by: Frans Hendriks <fhendriks.eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63854
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Erik van den Bogaert <ebogaert@eltan.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/mainboard/facebook/fbg1701/Kconfig b/src/mainboard/facebook/fbg1701/Kconfig
index b84e9b5..1552864 100644
--- a/src/mainboard/facebook/fbg1701/Kconfig
+++ b/src/mainboard/facebook/fbg1701/Kconfig
@@ -47,12 +47,6 @@
 
 endif # VBOOT
 
-config ONBOARD_SAMSUNG_MEM
-	bool "Onboard memory manufacturer Samsung"
-	default n
-	help
-	  Samsung K4B8G1646D memory
-
 config MAINBOARD_DIR
 	default "facebook/fbg1701"