Remove utils.ClientCfg and utils.ClientCfgHash (#8041)

* remove utils.ClientCfg and utils.ClientCfgHash

* remove unused import

app/security_update_check.go

@@ -42,7 +42,7 @@ func (a *App) DoSecurityUpdateCheck() {
 
 				v := url.Values{}
 
-				v.Set(PROP_SECURITY_ID, utils.CfgDiagnosticId)
+				v.Set(PROP_SECURITY_ID, a.DiagnosticId())
 				v.Set(PROP_SECURITY_BUILD, model.CurrentVersion+"."+model.BuildNumber)
 				v.Set(PROP_SECURITY_ENTERPRISE_READY, model.BuildEnterpriseReady)
 				v.Set(PROP_SECURITY_DATABASE, *a.Config().SqlSettings.DriverName)