mainboard/google/bolt: remove unobtainable mainboard

The bolt board was a proof of concept device that has never
made it out in the wild. Moreover, I don't think any of these
boards exist any longer.

Change-Id: I5ca055d448659a2b8e2eafcfc2114a6b8f8a56a4
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15901
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>

0 files changed, 0 insertions, 0 deletions