Remove if condition for acme nginx config.

(cherry picked from commit 6cdef975e909ae6e8c41123ed13b8d66534cf53f)

bin/v-add-letsencrypt-domain

@@ -231,13 +231,11 @@ for auth in $authz; do
             if [ "$WEB_SYSTEM" = 'nginx' ] || [ "$PROXY_SYSTEM" = 'nginx' ]; then
                 conf="$HOMEDIR/$user/conf/web/$domain/nginx.conf_letsencrypt"
                 sconf="$HOMEDIR/$user/conf/web/$domain/nginx.ssl.conf_letsencrypt"
-                if [ ! -e "$conf" ]; then
-                    echo 'location ~ "^/\.well-known/acme-challenge/(.*)$" {' \
-                        > $conf
-                    echo '    default_type text/plain;' >> $conf
-                    echo '    return 200 "$1.'$THUMB'";' >> $conf
-                    echo '}' >> $conf
-                fi
+                echo 'location ~ "^/\.well-known/acme-challenge/(.*)$" {' \
+                    > $conf
+                echo '    default_type text/plain;' >> $conf
+                echo '    return 200 "$1.'$THUMB'";' >> $conf
+                echo '}' >> $conf
                 if [ ! -e "$sconf" ]; then
                     ln -s "$conf" "$sconf"
                 fi