Revert "Merge pull request #74 from vercel-labs:jp/next-auth"

This reverts commit 6051e186b5, reversing
changes made to 28f62d80cf.

next-auth.d.ts

@@ -0,0 +1,13 @@
+import NextAuth, { DefaultSession } from 'next-auth'
+
+declare module 'next-auth' {
+  /**
+   * Returned by `useSession`, `getSession` and received as a prop on the `SessionProvider` React Context
+   */
+  interface Session {
+    user: {
+      /** The user's postal address. */
+      id: string
+    } & DefaultSession['user']
+  }
+}