Fix 'adsbygoogle' neutered script

As per internal feedback.

The `length` property exists if the `adsbygoogle` object
is instantiated before the `adsbygoogle.js` script has
been loaded, but is no longer present once the
`adsbygoogle.js` script has been loaded.

Related commit:
- gorhill/uBlock@eb6be3a

Co-authored-by: Raymond Hill <rhill@raymondhill.net>

assets/resources/resources.txt

@@ -588,16 +588,9 @@ googletagmanager.com/gtm.js application/javascript
 # https://github.com/uBlockOrigin/uAssets/issues/418
 googlesyndication.com/adsbygoogle.js application/javascript
 (function() {
-	window.adsbygoogle = window.adsbygoogle || {
-		length: 0,
+	window.adsbygoogle = {
 		loaded: true,
-		push: function Si() {
-			/*
-			client = client || google_ad_client || google_ad_client;
-			slotname = slotname || google_ad_slot;
-			tag_origin = tag_origin || google_tag_origin
-			*/
-			this.length += 1;
+		push: function () {
 		}
 	};
 	const phs = document.querySelectorAll('.adsbygoogle');