Drop (empty) sandybridge_late_initialization()

The function is empty (a left-over from i945) and should be removed.

Change-Id: I91e573b5e37cb9133ea1037aef7e6daf3c292864
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1290
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

src/northbridge/intel/sandybridge/early_init.c

@@ -158,8 +158,3 @@ void sandybridge_early_initialization(int chipset_type)
 
 	sandybridge_setup_graphics();
 }
-
-void sandybridge_late_initialization(void)
-{
-}
-