Remove include and volteer project directories

These were moved to platform/ec with the CQ depend CL.

BUG=b:177003034
TEST=zmake testall

Cq-Depend: chromium:2627957
Change-Id: I2e8e7c0305f96d3e65e2cbef01b00b26726b404a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/zephyr-chrome/+/2628232
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Yuval Peress <peress@chromium.org>
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
20 files changed