minijail: Remove has_bind_mounts API

This was added for minijail0 and minijail0 no longer uses it.  It hasn't
had any users added in the week or so it's been merged, remove it.

Change-Id: I1893b47fa2bd543718c98bb3bfcf23ed67566a01
Signed-off-by: Dylan Reid <dgreid@chromium.org>
2 files changed