docs(README.md): remove outdated license blurb

Author: mboersma

README.md

@@ -13,14 +13,6 @@ The Registry Token Refresher service creates the [imagePullSecret][imagePullSecr
 
 This service is run only when using Amazon's [ECR][ecr] or Google's [GCR][gcr] as they provide short lived tokens for authentication.
 
-# License
-
-Copyright 2013, 2014, 2015, 2016 Engine Yard, Inc.
-
-Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at <http://www.apache.org/licenses/LICENSE-2.0>
-
-Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
-
 [issues]: https://github.com/deis/workflow/issues
 [prs]: https://github.com/deis/workflow/pulls
 [imagePullSecrets]: http://kubernetes.io/docs/user-guide/images/#specifying-imagepullsecrets-on-a-pod