perf: remove unused UI catalog and external font

app/styles/global.css

@@ -1,7 +1,6 @@
 @import "tailwindcss";
 @plugin "@iconify/tailwind4";
 @source "../**/*.{wrn,ts,tsx}";
-@source "../../node_modules/@wrnexus/ui/components/*.wrn";
 
 /* Documentation v2: one consistent reading surface for guides, packages,
    and component references. */