Remove LE stuff from predeploy

predeploy.sh

@@ -31,21 +31,11 @@ setup_root_user() {
     fi
 }
 
-setup_letsencrypt_certs() {
-    set -eu
-
-    if [ ! -d "/home/dokku/gitea/letsencrypt" ]; then
-      echo "=====> Generating let's encrypt certificates"
-      dokku letsencrypt gitea
-    fi
-}
-
 main() {
     set -eu
 
     setup_db
     setup_root_user
-    setup_letsencrypt_certs
 }
 
 main