move google js to load only when config value setup (#1699)

api/classes/organizr.class.php

@@ -442,6 +442,7 @@ class Organizr
 	{
 		if ($this->config['gaTrackingID'] !== '') {
 			return '
+				<script src="https://apis.google.com/js/client.js?onload=googleApiClientReady"></script>
 				<script async src="https://www.googletagmanager.com/gtag/js?id=' . $this->config['gaTrackingID'] . '"></script>
 				<script>
 					window.dataLayer = window.dataLayer || [];

index.php

@@ -233,7 +233,6 @@ $Organizr = new Organizr();
 <script src='plugins/bower_components/overlayScrollbars/jquery.overlayScrollbars.min.js'></script>
 <script src='plugins/bower_components/custombox/dist/custombox.min.js'></script>
 <script src="js/arrive.min.js"></script>
-<script src="https://apis.google.com/js/client.js?onload=googleApiClientReady"></script>
 <script src="js/functions.js?v=<?php echo $Organizr->fileHash; ?>"></script>
 <script src="js/custom.min.js?v=<?php echo $Organizr->fileHash; ?>"></script>
 <script id="custom-theme-javascript"></script>