Coverage fixes, and unused fallback removal
Coverage fixes, and unused fallback removal

stweil/letsencrypt,letsencrypt/letsencrypt,jsha/letsencrypt,stweil/letsencrypt,bsmr-misc-forks/letsencrypt,lmcro/letsencrypt,jsha/letsencrypt,jtl999/certbot,jtl999/certbot,lmcro/letsencrypt,letsencrypt/letsencrypt,bsmr-misc-forks/letsencrypt