Move unused eslint webpack import into @remove-on-eject block (#7856)

Author: mrseanbaines

packages/react-scripts/config/webpack.config.js

@@ -33,8 +33,8 @@ const getClientEnvironment = require('./env');
 const ModuleNotFoundPlugin = require('react-dev-utils/ModuleNotFoundPlugin');
 const ForkTsCheckerWebpackPlugin = require('react-dev-utils/ForkTsCheckerWebpackPlugin');
 const typescriptFormatter = require('react-dev-utils/typescriptFormatter');
-const eslint = require('eslint');
 // @remove-on-eject-begin
+const eslint = require('eslint');
 const getCacheIdentifier = require('react-dev-utils/getCacheIdentifier');
 // @remove-on-eject-end
 const postcssNormalize = require('postcss-normalize');