Remove global cfg vars (#8099)

* remove global cfg vars

* enterprise update

utils/logger/logger.go

@@ -27,15 +27,6 @@ var debugLog = l4g.Debug
 var infoLog = l4g.Info
 var errorLog = l4g.Error
 
-func init() {
-	// listens for configuration changes that we might need to respond to
-	utils.AddConfigListener(func(oldConfig *model.Config, newConfig *model.Config) {
-		infoLog("Configuration change detected, reloading log settings")
-		initL4g(newConfig.LogSettings)
-	})
-	initL4g(utils.Cfg.LogSettings)
-}
-
 // assumes that ../config.go::configureLog has already been called, and has in turn called l4g.close() to clean up
 // any old filters that we might have previously created
 func initL4g(logSettings model.LogSettings) {