[Refactor] use call-bound directly

Author: ljharb

index.js

@@ -2,7 +2,7 @@
 
 var define = require('define-properties');
 var RequireObjectCoercible = require('es-object-atoms/RequireObjectCoercible');
-var callBound = require('call-bind/callBound');
+var callBound = require('call-bound');
 
 var implementation = require('./implementation');
 var getPolyfill = require('./polyfill');

package.json

@@ -69,6 +69,7 @@
 	},
 	"dependencies": {
 		"call-bind": "^1.0.8",
+		"call-bound": "^1.0.4",
 		"define-properties": "^1.2.1",
 		"es-abstract": "^1.23.9",
 		"es-errors": "^1.3.0",