remove unused hack/lookup_pull.py

This script is not used anywhere.

hack/lookup_pull.py

@@ -1,40 +0,0 @@
-#!/usr/bin/env python
-
-# Copyright 2015 The Kubernetes Authors.
-#
-# 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.
-
-# Script to print out PR info in release note format.
-
-import json
-import sys
-import urllib2
-
-PULLQUERY=("https://api.github.com/repos/"
-           "kubernetes/kubernetes/pulls/{pull}")
-LOGIN="login"
-TITLE="title"
-USER="user"
-
-def print_pulls(pulls):
-  for pull in pulls:
-    d = json.loads(urllib2.urlopen(PULLQUERY.format(pull=pull)).read())
-    print "* {title} #{pull} ({author})".format(
-        title=d[TITLE], pull=pull, author=d[USER][LOGIN])
-
-if __name__ == "__main__":
-  if len(sys.argv) < 2:
-    print ("Usage: {cmd} <pulls>...: Prints out short " +
-           "markdown description for PRs appropriate for release notes.")
-    sys.exit(1)
-  print_pulls(sys.argv[1:])