Publishing the packages (deb, ipk, rpm) for each build requires both time and space which is wasted as neither QA nor release do anything with those artefacts. Remove package publishing from all buildsets used on the public YP clusters
http://git.yoctoproject.org/clean/cgit.cgi/yocto-autobuilder/commit/?id=93b8210348f76e2526c45dc1872e6bd58aeb53d3