remove chalk from formatWebpackMessages (facebook#10198)

Author: jasonwilliams

packages/react-dev-utils/formatWebpackMessages.js

@@ -7,7 +7,6 @@
 
 'use strict';
 
-const chalk = require('chalk');
 const friendlySyntaxErrorLabel = 'Syntax error:';
 
 function isLikelyASyntaxError(message) {
@@ -80,8 +79,6 @@ function formatMessage(message) {
       'Run `npm install node-sass` or `yarn add node-sass` inside your workspace.';
   }
 
-  lines[0] = chalk.inverse(lines[0]);
-
   message = lines.join('\n');
   // Internal stacks are generally useless so we strip them... with the
   // exception of stacks containing `webpack:` because they're normally