Remove bypass and use use glitch-soc's theming system for inert.css

app/javascript/core/theme.yml

@@ -10,6 +10,9 @@ pack:
   embed: embed.js
   error:
   home:
+  inert:
+    filename: inert.js
+    stylesheet: true
   mailer:
     filename: mailer.js
     stylesheet: true