Merge pull request #35 from ydah/revert_example

Change the README example to a simple because the warning no longer appear

README.md

@@ -50,11 +50,7 @@ describe 'request spec' do
   include Committee::Rails::Test::Methods
 
   def committee_options
-    @committee_options ||= {
-      schema_path: Rails.root.join('schema', 'schema.json').to_s,
-      query_hash_key: 'rack.request.query_hash',
-      parse_response_by_content_type: false,
-    }
+    @committee_options ||= { schema_path: Rails.root.join('schema', 'schema.json').to_s }
   end
 
   describe 'GET /' do
@@ -82,11 +78,7 @@ If you use rspec, you can use very simple.
 ```ruby
 RSpec.configure do |config|
   config.add_setting :committee_options
-  config.committee_options = {
-    schema_path: Rails.root.join('schema', 'schema.json').to_s,
-    query_hash_key: 'rack.request.query_hash',
-    parse_response_by_content_type: false,
-  }
+  config.committee_options = { schema_path: Rails.root.join('schema', 'schema.json').to_s }
 end
 ```