make_chroot: Remove unused toolchain overlay support
cros_sdk can pass in an additional overlay tarball to unpack on top of
the chroot. This hasn't been used in cros_sdk since 2016 and is being
removed, so no need to support it in make_chroot.sh, either.
BUG=chromium:845174
TEST=cros_sdk --create
CQ-DEPEND=CL:1081389
Change-Id: I1f585fd5f2d0991c43b804f30d34c2a0a68337a6
Reviewed-on: https://chromium-review.googlesource.com/1081339
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Benjamin Gordon <bmgordon@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed
