delete obsolete mailers
delete obsolete mailers

doomergithub/loomio,annewchen/loomio,Collabforge/site-collabio,FSFTN/Loomio,kimihito/loomio,tachyons/loomio,juliagra/loomio,gvalerin/loomio,sicambria/loomio,codingnutty/loomio,HadoDokis/loomio,juliagra/loomio,kimihito/loomio,sicambria/loomio,mlarghydracept/loomio,HadoDokis/loomio,FSFTN/Loomio,labhackercd/loomio,piratas-ar/loomio,codingnutty/loomio,mhjb/loomio,isomerase/loomio,aca13jmf/loomio,mhjb/loomio,isomerase/loomio,piratas-ar/loomio,Collabforge/site-collabio,isomerase/loomio,labhackercd/loomio,digideskio/loomio,tachyons/loomio,isomerase/loomio,wangjun/loomio,sicambria/loomio,annewchen/loomio,gvalerin/loomio,loomio/loomio,sicambria/loomio,labhackercd/loomio,HadoDokis/loomio,gvalerin/loomio,kimihito/loomio,loomio/loomio,aca13jmf/loomio,mhjb/loomio,FSFTN/Loomio,doomergithub/loomio,Collabforge/site-collabio,digideskio/loomio,mhjb/loomio,loomio/loomio,piratas-ar/loomio,digideskio/loomio,codingnutty/loomio,mlarghydracept/loomio,mlarghydracept/loomio,tachyons/loomio,wangjun/loomio,tachyons/loomio,HadoDokis/loomio,doomergithub/loomio,juliagra/DBCloomio,annewchen/loomio,piratas-ar/loomio,labhackercd/loomio,juliagra/DBCloomio,aca13jmf/loomio,juliagra/DBCloomio,FSFTN/Loomio,Collabforge/site-collabio,wangjun/loomio,juliagra/loomio,loomio/loomio