Remove chalk.styles

Very few consumers use this. Those who need it can just use the `ansi-styles` package directly.

index.js

@@ -155,5 +155,4 @@ function applyStyle() {
 Object.defineProperties(Chalk.prototype, styles);
 
 module.exports = new Chalk();
-module.exports.styles = ansiStyles;
 module.exports.supportsColor = supportsColor;

readme.md

@@ -137,21 +137,6 @@ Detect whether the terminal [supports color](https://github.com/chalk/supports-c
 
 Can be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, add an environment variable `FORCE_COLOR` with any value to force color. Trumps `--no-color`.
 
-### chalk.styles
-
-Exposes the styles as [ANSI escape codes](https://github.com/chalk/ansi-styles).
-
-Generally not useful, but you might need just the `.open` or `.close` escape code if you're mixing externally styled strings with your own.
-
-```js
-const chalk = require('chalk');
-
-console.log(chalk.styles.red);
-//=> {open: '\u001b[31m', close: '\u001b[39m'}
-
-console.log(chalk.styles.red.open + 'Hello' + chalk.styles.red.close);
-```
-
 
 ## Styles
 

test.js

@@ -187,9 +187,3 @@ describe('chalk.constructor', () => {
 		assert.equal(chalk.red('foo'), '\u001B[31mfoo\u001B[39m');
 	});
 });
-
-describe('chalk.styles', () => {
-	it('should expose the styles as ANSI escape codes', () => {
-		assert.equal(chalk.styles.red.open, '\u001B[31m');
-	});
-});