cros_workon: recreate all workon file symlinks unconditionally

Also, remove legacy conversion code slated for deletion long ago.

BUG=chromium-os:23096
TEST=have a chroot with invalid symlink in package.*/ and observe the fix

Change-Id: I04ecdf28038b63d48cf7d0768c0ccf5ac8f0c0d2
Reviewed-on: https://gerrit.chromium.org/gerrit/11978
Reviewed-by: Mandeep Singh Baines <msb@chromium.org>
Commit-Ready: Zdenek Behan <zbehan@chromium.org>
Tested-by: Zdenek Behan <zbehan@chromium.org>
1 file changed