Update init scripts

init/s6/services.d/ring-mqtt/finish

@@ -4,12 +4,7 @@
 # s6-overlay docs: https://github.com/just-containers/s6-overlay
 # ==============================================================================
 
-echo $1
-echo $2
-
 if [[ "$1" -ne 0 ]] && [[ "$1" -ne 256 ]]; then
-  bashio::log.warning "The ring-mqtt container is shutting down..."
+  bashio::log.warning "A critical error was detected, exiting the container..."
   exec /run/s6/basedir/bin/halt
 fi
-
-bashio::log.warning "The ring-mqtt service exited unexpectedly, restarting..."

init/s6/services.d/ring-mqtt/run

@@ -14,7 +14,7 @@ sleep .5
 # If HASSIO_TOKEN variable exist we are running as addon
 if [ -v HASSIO_TOKEN ]; then
     export RUNMODE="addon"
-    bashio::config.require 'mqtt_url'
+    bashio::config.require 'mqtt_url_2'
 
     if bashio::services.available 'mqtt'; then
         export BRANCH=$(bashio::config "branch")