fix: use global font settings instead of Inter

Removes Inter font import from layout and the conflicting CSS font rule,
deferring font handling to the CDN global headers script.

src/app/globals.css

@@ -2,10 +2,6 @@
 @tailwind components;
 @tailwind utilities;
 
-* {
-  font-family: "Vampyr", monospace;
-}
-
 h1 {
   @apply text-4xl;
 }