README: removed coreutils note
README: removed coreutils note

Signed-off-by: Saul Wold <5d406dce269323502edf9245f3ac4bf2666d3bf9@linux.intel.com>

edgeos/meta-security,akuster/meta-security,akuster/meta-security,akuster/meta-security,edgeos/meta-security,edgeos/meta-security,akuster/meta-security,edgeos/meta-security