Update readme

README.md

@@ -21,11 +21,7 @@ Changes previously in Chuckya that made their way into vanilla Mastodon:
 
 - Unicode emojis use [`jdecked/twemoji`](https://github.com/jdecked/twemoji) v15 graphics (mastodon/mastodon#28404)
 
-Setup instructions are mostly the same as [glitch-soc's](https://glitch-soc.github.io/docs); if you're migrating from an existing install, however, you'll need to run the following command before pregenerating assets to purge the existing asset cache:
+Setup instructions are the same as [glitch-soc's](https://glitch-soc.github.io/docs); just replace the glitch-soc repo URL with `https://github.com/TheEssem/mastodon`.
-
-```sh
-RAILS_ENV=production bundle exec rails assets:clobber
-```
 
 Original glitch-soc readme is below.