Delete duplicate magic link file

apps/docs/pages/guides/auth/email-otp-magic-link.mdx

@@ -1,17 +0,0 @@
-import Layout from '~/layouts/DefaultGuideLayout'
-import oldContent from '~/pages/guides/auth/auth-magic-link.mdx'
-
-export const meta = {
-  id: 'auth-magic-link',
-  title: 'Login With Magic Link',
-  description: 'Use Supabase to authenticate and authorize your users using magic links.',
-}
-
-export const Page = ({ children }) => {
-  if (process.env.NEXT_PUBLIC_NEW_DOCS === 'true') {
-    return oldContent()
-  }
-  return <Layout meta={meta} children={children} />
-}
-
-export default Page