Remove Atom feeds and old URLs in the form of `GET /:username/updates/:id`

Port SCSS changes from fbbcbd940d to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/styles/index.scss

@@ -14,7 +14,7 @@
 @import 'widgets';
 @import 'forms';
 @import 'accounts';
-@import 'stream_entries';
+@import 'statuses';
 @import 'components/index';
 @import 'polls';
 @import 'about';