Merge pull request #792 from sindresorhus/remove-moot-dep

Remove `supports-color` dependency as it's available in `chalk`

lib/babel/helpers/code-frame.js

@@ -1,6 +1,5 @@
 // syntax highlighting based on https://github.com/dominictarr/ansi-highlight by the fantastic Dominic Tarr
 
-var supportsColor = require("supports-color");
 var tokenize      = require("js-tokenizer");
 var chalk         = require("chalk");
 var util          = require("../util");
@@ -43,7 +42,7 @@ var highlight = function (text) {
 module.exports = function (lines, lineNumber, colNumber) {
   colNumber = Math.max(colNumber, 0);
 
-  if (supportsColor) {
+  if (chalk.supportsColor) {
     lines = highlight(lines);
   }