Disable CI email completely since configuration is not flexible
Disable CI email completely since configuration is not flexible

We can't let email configuration be the default since it would spam most
people in the GitHub org. However, we set it to a couple of addresses
explicitly, we get emailed with failures from other people's forks who
have set up CI for themselves.

elancom/hub,sideci-sample/sideci-sample-hub,dongjoon-hyun/hub,rlugojr/hub,dev4mobile/hub,github/hub,ZenPayroll/hub,aereal/hub,tomasv/hub,github/hub,Gusto/hub,SanCoder-Q/hub,hb9kns/hub,jpkrohling/hub,github/hub,ASidlinskiy/hub,ASidlinskiy/hub,haikyuu/hub,jingweno/hub,hb9kns/hub,elancom/hub,jpkrohling/hub,terry2000/hub,nlutsenko/hub,SanCoder-Q/hub,nmfzone/hub,xantage/hub,cpick/hub,dongjoon-hyun/hub,pankona/hub,rlugojr/hub,terry2000/hub,dongjoon-hyun/hub,github/hub,ryo33/hub,codydaig/hub,pcorpet/hub,sbp/hub,xantage/hub,codydaig/hub,sbp/hub,jingweno/hub,aspiers/hub,cpick/hub,haikyuu/hub,pwaller/hub,boris-rea/hub,dev4mobile/hub,adjohnson916/hub,pcorpet/hub,aereal/hub,tomasv/hub,ASidlinskiy/hub,boris-rea/hub,ryo33/hub,ZenPayroll/hub,nmfzone/hub,naru0504/hub,ryo33/hub,whilp/hub,terry2000/hub,naru0504/hub,adjohnson916/hub,sbp/hub,boris-rea/hub,dev4mobile/hub,hopil/hub,jingweno/hub,pcorpet/hub,adjohnson916/hub,pankona/hub,hopil/hub,nlutsenko/hub,isundaylee/hub,pwaller/hub,tomasv/hub,AndBicScadMedia/hub,Gusto/hub,elancom/hub,AndBicScadMedia/hub,whilp/hub,naru0504/hub,nlutsenko/hub,whilp/hub,hb9kns/hub,xantage/hub,isundaylee/hub,isundaylee/hub,codydaig/hub,RichardLitt/hub,aereal/hub,RichardLitt/hub,rlugojr/hub,aspiers/hub,pwaller/hub,cpick/hub,AndBicScadMedia/hub,jpkrohling/hub,aspiers/hub,SanCoder-Q/hub,hopil/hub,sideci-sample/sideci-sample-hub,nmfzone/hub,pankona/hub,RichardLitt/hub,haikyuu/hub