lib/spd: remove spd_raw_access_override functionality

Nothing uses this and I don't think we should start using it.

BUG=chromium:990438
TEST=compiles

Change-Id: Id27e0e43f4ffb3e8500f88f4801ce1606b5e052c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mosys/+/2324767
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
2 files changed