revert 66f126c

Apparently somewhere site sets the variable to `true` after setting it to `false` initially.

filters/annoyances-others.txt

@@ -6884,6 +6884,9 @@ movie4kto.net##+js(nosiif, /DevTools|_0x/)
 ! https://github.com/uBlockOrigin/uAssets/issues/20341
 lethalpanda.com##+js(aopr, b2a)
 
+! https://www.reddit.com/r/uBlockOrigin/comments/17iihqp/anime_news_network_rolled_out_antiadblocker/
+animenewsnetwork.com##+js(set, ANN.ads.adblocked, false)
+
 ! https://www.reddit.com/r/uBlockOrigin/comments/17mifyx/adblocker_detected_on_hackthebox_website/
 ||hackthebox.com/build/assets/just-detect-adblock-$script,1p