Switch back to the upstream nginx cookbook

chef_nginx is deprecated

cookbooks/nginx/attributes/rate_limiting.rb

@@ -0,0 +1,23 @@
+#
+# Cookbook:: nginx
+# Attribute:: rate_limiting
+#
+# Copyright:: 2013-2017, Chef Software, 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.
+#
+
+default['nginx']['enable_rate_limiting']    = false
+default['nginx']['rate_limiting_zone_name'] = 'default'
+default['nginx']['rate_limiting_backoff']   = '10m'
+default['nginx']['rate_limit']              = '1r/s'