memory: remove unused spd field types

The following SPD field types are never called by
core/command/memory_spd.c:

- SPD_GET_CHECKSUM
- SPD_GET_ECC
- SPD_GET_MFG_DATE
- SPD_GET_MFG_ID_DRAM
- SPD_GET_MFG_LOC
- SPD_GET_REVISION_CODE

We can remove the dead code.

BUG=chromium:990438
TEST=compiles

Change-Id: Id4ade69aa338cd11d4ed77fff730c890109e39a4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mosys/+/2796333
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
Auto-Submit: Jack Rosenthal <jrosenth@chromium.org>
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
3 files changed