Remove default export (Level/community#87)

Author: vweevers

memdown.js

@@ -249,6 +249,7 @@ MemDOWN.prototype._iterator = function (options) {
   return new MemIterator(this, options)
 }
 
-module.exports = MemDOWN.default = MemDOWN
+module.exports = MemDOWN
+
 // Exposed for unit tests only
 module.exports.MemIterator = MemIterator

test.js

@@ -3,7 +3,7 @@
 const test = require('tape')
 const suite = require('abstract-leveldown/test')
 const concat = require('level-concat-iterator')
-const memdown = require('.').default
+const memdown = require('.')
 const ltgt = require('ltgt')
 const Buffer = require('safe-buffer').Buffer
 const noop = function () { }