remove Promise polyfill

breaking change

index.js

@@ -2,10 +2,8 @@
  * read-glob-promise | MIT (c) Shinnosuke Watanabe
  * https://github.com/shinnn/read-glob-promise
 */
-
 'use strict';
 
-var ES6Promise = global.Promise || require('es6-promise').Promise;
 var readYaml = require('read-yaml');
 
 module.exports = function readYamlPromise(filePath, options) {
@@ -20,7 +18,7 @@ module.exports = function readYamlPromise(filePath, options) {
     resolve(data);
   });
 
-  return new ES6Promise(function(_resolve, _reject) {
+  return new Promise(function(_resolve, _reject) {
     resolve = _resolve;
     reject = _reject;
   });

package.json

@@ -12,8 +12,7 @@
   },
   "license": "MIT",
   "files": [
-    "index.js",
-    "LICENSE"
+    "index.js"
   ],
   "keywords": [
     "yml",
@@ -28,7 +27,6 @@
     "thenable"
   ],
   "dependencies": {
-    "es6-promise": "^2.0.1",
     "read-yaml": "^1.0.0"
   },
   "devDependencies": {

test/test.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var readYaml = require('../');
+var readYaml = require('..');
 var test = require('tape');
 var yaml = require('js-yaml');
 
@@ -31,22 +31,26 @@ test('readYamlPromise()', function(t) {
   });
 
   t.throws(
-    readYaml.bind(null, 'test/fixture.yaml', 1), /TypeError.*arg/,
+    readYaml.bind(null, 'test/fixture.yaml', 1),
+    /TypeError/,
     'should throw a type error when the second argument is not a string or an object.'
   );
 
   t.throws(
-    readYaml.bind(null, 'test/fixture.yaml', 'utf7'), /Error.*encoding/,
+    readYaml.bind(null, 'test/fixture.yaml', 'utf7'),
+    /Error.*encoding/,
     'should throw an error when the encoding is unknown.'
   );
 
   t.throws(
-    readYaml.bind(null, true, ['foo']), /TypeError.*path/,
+    readYaml.bind(null, true, ['foo']),
+    /TypeError.*path/,
     'should throw a type error when the first argument is not a string.'
   );
 
   t.throws(
-    readYaml.bind(null), /TypeError.*path/,
+    readYaml.bind(null),
+    /TypeError.*path/,
     'should throw a type error when it takes no arguments.'
   );
 });