remove twemoji, just pretend it never existed

README.md

@@ -70,7 +70,3 @@ yarn start
 
 ## Setup
 Visit `/` on the HTTP server to add an admin account.
-
-## Twemoji
-I use Twemoji in this project. Thanks Twitter!
-To use Twemoji, USE_CDN must be turned on (it is by default).

views/layout.pug

@@ -36,6 +36,3 @@ html(lang='en')
               h1 #{config.siteTitle}
           include includes/messages.pug
           block content
-  if config.useCDN
-    script(src='https://twemoji.maxcdn.com/v/latest/twemoji.min.js', crossorigin='anonymous')
-    script twemoji.parse(document.body)