Finally remove utils.Cfg (#8113)

* finally remove utils.Cfg

* fix compile error

* another test compilation fix

cmd/platform/server.go

@@ -220,7 +220,7 @@ func doSecurity(a *app.App) {
 }
 
 func doDiagnostics(a *app.App) {
-	if *utils.Cfg.LogSettings.EnableDiagnostics {
+	if *a.Config().LogSettings.EnableDiagnostics {
 		a.SendDailyDiagnostics()
 	}
 }