Source code for Cr50 codesigner has been added to the chroot and the
executable is installed as /usr/bin/cr50-codesigner when cros sdk is
created/updated.
Let's use the 'official' version instead of outdated local one.
BRANCH=cr50,cr50-mp
BUG=b:73296144
TEST=verified that properly signed Cr50 images can be built.
Change-Id: Ibc68340a26011c7d5ac028bbee73cd0f2c39c291
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/996512
Reviewed-by: Mary Ruthven <mruthven@chromium.org>