message: Remove config dependency.
diff: @@ -4,13 +4,13 @@ Integration with Angular is as simple as adding an
  [$exceptionHandler](https://docs.angularjs.org/api/ng/service/$exceptionHandler):
  ```js
  -mod.factory('$exceptionHandler', function ($log, config) {
  +mod.factory('$exceptionHandler', function ($log) {
  var airbrake = new airbrakeJs.Client({
  - projectId: config.airbrake.projectId,
  - projectKey: config.airbrake.key
  + projectId: 1, // Airbrake project id
  + projectKey: 'abc' // Airbrake project API key
  });
  airbrake.addFilter(function (notice) {
  - notice.context.environment = config.envName;
  + notice.context.environment = 'production';
  return notice;
  });
  