Replace Karma with Web Test Runner (#94)

* Set up Web Test Runner

* Remove unnecessary strict stanza

* Set ESLint parser options

* Convert test to module

* Remove karma

Author: koddsson

bench/index.js

@@ -1,5 +1,3 @@
-'use strict';
-
 var deepEql = require('../');
 var lodashDeepEql = require('lodash.isequal');
 var assertDeepeql = require('assert').deepEql;

index.js

@@ -1,4 +1,3 @@
-'use strict';
 /* globals Symbol: false, Uint8Array: false, WeakMap: false */
 /*!
  * deep-eql