nightly.conf: no need to checkout meta-intel
nightly.conf: no need to checkout meta-intel

meta-intel is not needed for nightly.conf

Signed-off-by: Elizabeth Flanagan <86e3219095765dcc0f6f42aef4bd43803a05b796@intel.com>

denny820909/builder,denny820909/builder,denny820909/builder,denny820909/builder