Remove unused code in RA.
Remove unused code in RA.

postfix/boulder,hlandauf/boulder,ZCloud-Firstserver/boulder,sophie-h/boulder,devpaul/boulder,ZCloud-Firstserver/boulder,KyleChamberlin/boulder,letsencrypt/boulder,ibukanov/boulder,patf/boulder,mehmooda/boulder,KyleChamberlin/boulder,devpaul/boulder,kuba/boulder,mozmark/boulder,deserted/boulder,r0ro/boulder,postfix/boulder,jsha/boulder,patf/boulder,sophie-h/boulder,patf/boulder,patf/boulder,ibukanov/boulder,hlandauf/boulder,jfrazelle/boulder,mehmooda/boulder,postfix/boulder,josephyzhou/boulder,mehmooda/boulder,hlandauf/boulder,r0ro/boulder,benileo/boulder,lucasallan/boulder,letsencrypt/boulder,bmw/boulder,jsha/boulder,r0ro/boulder,benileo/boulder,lucasallan/boulder,jfrazelle/boulder,ibukanov/boulder,jcjones/boulder,kuba/boulder,benileo/boulder,kuba/boulder,bmw/boulder,KyleChamberlin/boulder,r0ro/boulder,jfrazelle/boulder,letsencrypt/boulder,deserted/boulder,ZCloud-Firstserver/boulder,jfrazelle/boulder,deserted/boulder,deserted/boulder,mozmark/boulder,bmw/boulder,ZCloud-Firstserver/boulder,jsha/boulder,mehmooda/boulder,josephyzhou/boulder,mozmark/boulder,jcjones/boulder,postfix/boulder,benileo/boulder,josephyzhou/boulder,sophie-h/boulder,KyleChamberlin/boulder,lucasallan/boulder,jcjones/boulder,devpaul/boulder,hlandauf/boulder,kuba/boulder,jcjones/boulder,josephyzhou/boulder,devpaul/boulder,mozmark/boulder