fix(docs): resolve unused fontFamily import in tailwind.config.ts

apps/docs/tailwind.config.ts

@@ -1,6 +1,6 @@
 // TODO: Delete this file once no longer needed as a reference
 import type { Config } from 'tailwindcss'
-import { fontFamily } from 'tailwindcss/defaultTheme'
+// import { fontFamily } from 'tailwindcss/defaultTheme'
 import { createPreset } from 'fumadocs-ui/tailwind-plugin'
 
 export default {