Update multi_site_ats5.rst
Update multi_site_ats5.rst

Removed reference to 'HTTP_LIVE_NATNL' delivery service requirement
hbeatty/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,alficles/incubator-trafficcontrol,alficles/incubator-trafficcontrol,alficles/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,mdb/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,alficles/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,mdb/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,mdb/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,mdb/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,alficles/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,alficles/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,mdb/incubator-trafficcontrol,mdb/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,alficles/incubator-trafficcontrol,mdb/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,alficles/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,mdb/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol,serDrem/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,rscrimojr/incubator-trafficcontrol,alficles/incubator-trafficcontrol,alficles/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,naamashoresh/incubator-trafficcontrol,mdb/incubator-trafficcontrol,jeffmart/incubator-trafficcontrol,mdb/incubator-trafficcontrol,zhilhuan/incubator-trafficcontrol