Remove Head.rewind() in withGraphQLApp.

This has apparently been unnecessary since [email protected]: vercel/next.js#9326 (comment)

changelog.md

@@ -13,6 +13,7 @@
 - Removed the now redundant [`eslint-plugin-import-order-alphabetical`](https://npm.im/eslint-plugin-import-order-alphabetical) dev dependency.
 - Stop using [`husky`](https://npm.im/husky) and [`lint-staged`](https://npm.im/lint-staged).
 - Use strict mode for scripts.
+- Removed the [`next`](https://npm.im/next) dev dependency and `Head.rewind()` in `withGraphQLApp`, as this has [apparently been unnecessary since `[email protected]`](https://github.com/zeit/next.js/issues/9326#issuecomment-590702751).
 
 ## 5.1.0
 

package.json

@@ -58,7 +58,6 @@
     "eslint-plugin-react-hooks": "^2.4.0",
     "graphql-react": "^9.1.0",
     "jsdoc-md": "^5.0.1",
-    "next": "^9.2.2",
     "prettier": "^1.18.2",
     "react": "^16.8.6"
   },

src/universal/withGraphQLApp.mjs

@@ -4,7 +4,6 @@ import { ssr } from 'graphql-react/server'
 // pointing to an empty decoy for the browser bundle.
 // eslint-disable-next-line node/no-missing-import
 import { LinkHeader } from 'next-graphql-react/server/LinkHeader'
-import Head from 'next/head'
 import React from 'react'
 
 /**
@@ -127,8 +126,6 @@ export const withGraphQLApp = App =>
             ssr(graphql, <context.AppTree {...props} graphql={graphql} />)
               .catch(console.error)
               .then(() => {
-                Head.rewind()
-
                 const responseLinkHeader = new LinkHeader(
                   // Might be undefined.
                   context.ctx.res.getHeader('Link')