Remove puppet 3.0 from test matrix
Remove puppet 3.0 from test matrix

backstop/puppet-gogs,Siteminds/puppet-gogs,AndreaGiardini/puppet-gogs,Siteminds/puppet-gogs,backstop/puppet-gogs,AndreaGiardini/puppet-gogs,ltutar/puppet-gogs,ltutar/puppet-gogs,AndreaGiardini/puppet-gogs,Siteminds/puppet-gogs,ltutar/puppet-gogs,backstop/puppet-gogs