Remove redundant check of the latest Puppet v4 release
Remove redundant check of the latest Puppet v4 release

There will not be any more major releases of Puppet v4, so removing this
redundant check will speed up testing.

bodgit/sensu-puppet,sensu/sensu-puppet,madelaney/sensu-puppet,sensu/sensu-puppet,bovy89/sensu-puppet,dzeleski/sensu-puppet,madelaney/sensu-puppet,bovy89/sensu-puppet,sensu/sensu-puppet,bodgit/sensu-puppet,dzeleski/sensu-puppet,madelaney/sensu-puppet,bodgit/sensu-puppet,bovy89/sensu-puppet,dzeleski/sensu-puppet