hp/dl165_g6_fam10/Kconfig: remove unused QRANK_DIMM_SUPPORT

AMD family 10 boards don't use QRANK_DIMM_SUPPORT.

Change-Id: Id7e1fba86e2ea1d4d5f5c2e123bd36ad802fd15e
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: http://review.coreboot.org/11344
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>

src/mainboard/hp/dl165_g6_fam10/Kconfig

@@ -17,7 +17,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select LIFT_BSP_APIC_ID
 	select BOARD_ROMSIZE_KB_1024
 	select ENABLE_APIC_EXT_ID
-	select QRANK_DIMM_SUPPORT
 	select MMCONF_SUPPORT_DEFAULT
 
 config MAINBOARD_DIR