fix(rackspace): remove heat reference
fix(rackspace): remove heat reference

robszumski/docs,atxwebs/docs,iankronquist/docs,coreos/docs,joshix/docs,bq-xiao/docs,hkjn/docs-1,endocode/coreos-docs,wli6/docs,mjg59/docs,marineam/coreos-docs,jdloft/docs,ionave/docs,jonboulle/docs,skynet/docs,michelleN/docs,mischief/coreos-docs,ksmaheshkumar/docs-2