feat(matrix): do not default to latestby=cvpv for consumer/provider matrix

To make the behaviour the same as the UI

Author: bethesque

lib/pact_broker/matrix/service.rb

@@ -18,8 +18,7 @@ def find selectors, options = {}
 
       def find_for_consumer_and_provider params, options = {}
         selectors = [{ pacticipant_name: params[:consumer_name] }, { pacticipant_name: params[:provider_name] }]
-        default_options = { latestby: 'cvpv' }
-        find(selectors, default_options.merge(options))
+        find(selectors, options)
       end
 
       def find_for_consumer_and_provider_with_tags params