database configuration only via PG* env variables and MQTT password only via configured env var

src/udi/handlers/sver/sver.go

@@ -129,7 +129,7 @@ func NewSverHandler(config config.HandlerConfigT) handler.Handler {
   t.config = localConfig
 
   t.ready = true
-  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
+  t.dbh = database.NewDatabaseHandle()
   return t
 }