Remove broken links

source/_data/tools.json

@@ -77,7 +77,7 @@
         "title": "Go-Fed Activity",
         "source": "https://github.com/go-fed/activity",
         "protocols": "ActivityPub",
-        "site": "https://go-fed.org",
+        "site": "",
         "logo": "",
         "servers": "",
         "description": "Full ActivityStreams and ActivityPub implementation in Golang. Extensions can be easily added by design-time code generation from JSON-LD schema.",

source/_posts/fediverse-in-2020.md

@@ -124,8 +124,6 @@ At least <span class="u-emphasize">19 new projects</span> joined Fediverse in 20
 ✔ `August:` Google [threatens](https://mastodon.social/@Gargron/104763960269049818) to remove several popular Fediverse apps from Google Play on the pretext that servers in Fediverse engage in hate speech and users can be exposed to it via these apps. Fedilab, a popular multi-purpose Fediverse app, receives Google warning too. This brings a wave of rage from users who
 blame Google for double standards and demand to also ban Twitter apps and Chrome, as all of them expose users to hate speech. Heated discussions on HackerNews, Reddit and other tech outlets follow
 
-✔ `August 8:` [@cj](https://mastodon.technology/@cj) creates an 💡 ActivityPub [library for developers](https://library.activitypub.dev/shelves.html) where one can find articles about ActivityPub protocol and other technical topics
-
 ✔ `August 28:` Pleroma introduces ActivityPub chats [in 2.1.0 release](https://pleroma.social/blog/2020/08/28/releasing-pleroma-2-1-0)
 
 ✔ `September 09:` Funkwhale releases [first stable version](https://dev.funkwhale.audio/funkwhale/funkwhale/-/tags/1.0)