Update clearkey test license.

This fixes the clearkey test license for Chrome 42+.

Also drops the test license generator script, which is out-of-date,
never used, and rotting a bit.

Change-Id: I87f9b0780d97a9054672612c02584178007d868f

assets/generate_jwkset.py

@@ -1,29 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2014 Google 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.
-
-import base64
-import binascii
-import sys
-
-#TEST_KEY_ID = "0123456789012345"
-#TEST_KEY = "ebdd62f16814d27b68ef122afce4ae3c"
-
-key_id = base64.b64encode(sys.argv[1]).rstrip("=")
-key = base64.b64encode(binascii.unhexlify(sys.argv[2])).rstrip("=")
-
-jwk = '{"kty":"oct","alg":"A128KW","kid":"%s","k":"%s"}' % (key_id, key)
-jwk_set = '{"keys":[%s]}' % jwk
-sys.stdout.write(jwk_set)

assets/test_license.json

@@ -1 +1 @@
-{"keys":[{"kty":"oct","alg":"A128KW","kid":"MDEyMzQ1Njc4OTAxMjM0NQ","k":"691i8WgU0nto7xIq/OSuPA"}]}
+{"keys":[{"kty":"oct","alg":"A128KW","kid":"MDEyMzQ1Njc4OTAxMjM0NQ","k":"691i8WgU0nto7xIq_OSuPA"}]}