lib/imd_cbmem: remove unused #include

Change-Id: I18a08faa5f9f5330cdb509c27a8ab7a3aa8e5b73
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/20857
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/lib/imd_cbmem.c

@@ -22,9 +22,6 @@
 #include <string.h>
 #include <stdlib.h>
 #include <arch/early_variables.h>
-#if IS_ENABLED(CONFIG_ARCH_X86) && !IS_ENABLED(CONFIG_EARLY_CBMEM_INIT)
-#include <arch/acpi.h>
-#endif
 
 /*
  * We need special handling on x86 before ramstage because we cannot use global