fsp1_1: Drop unused weak function

All FSP 1.1 platforms override the weak soc_load_logo().

Change-Id: Ib2eae166e02771311c50ea7e4f294790dfa2b99e
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38138
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Wim Vervoorn <wvervoorn@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/intel/fsp1_1/ramstage.c

@@ -209,9 +209,3 @@ __weak void soc_display_silicon_init_params(
 __weak void soc_silicon_init_params(SILICON_INIT_UPD *params)
 {
 }
-
-/* Load bmp and set FSP parameters, fsp_load_logo can be used */
-__weak const struct cbmem_entry *soc_load_logo(SILICON_INIT_UPD *params)
-{
-	return NULL;
-}