fix: Test suits encoding problems

Reverted d8d9e70.
fs.writeSync is used as workaround for node < v0.11.12 to fix the bug karma-runner#5. But now it is not needed.

Closes karma-runner#32

index.js

@@ -1,5 +1,4 @@
 var util = require('util')
-var fs = require('fs')
 
 var escapeMessage = function (message) {
  if (message === null || message === undefined) {
@@ -31,8 +30,6 @@ var TeamcityReporter = function (baseReporterDecorator) {
  baseReporterDecorator(this)
  var self = this
 
- this.adapters = [fs.writeSync.bind(fs.writeSync, 1)]
-
  this.TEST_IGNORED = "##teamcity[testIgnored name='%s']"
  this.SUITE_START = "##teamcity[testSuiteStarted name='%s']"
  this.SUITE_END = "##teamcity[testSuiteFinished name='%s']"