Remove destroy event test

test/test-event-destroy.js

@@ -1,15 +0,0 @@
-var test = require('tape')
-var mongojs = require('../index')
-
-test('events destroy', function (t) {
-  var db = mongojs('test', ['a'])
-
-  db.on('destroy', function () {
-    t.pass('destroy event emitted')
-    t.end()
-  })
-
-  db.close(function (err) {
-    t.error(err, 'should close without error')
-  })
-})