shellcheck fixes
shellcheck fixes

lukas2511/letsencrypt.sh,dennisschuerholz/dehydrated,Vitexus/dehydrated,erorus/letsencrypt.sh,Rayne/letsencrypt.sh,ahnooie/dehydrated,lukas2511/dehydrated,erdgeist/letsencrypt.sh,erdgeist/letsencrypt.sh