Remove beaker dependency, auto required by beaker-rspec
Remove beaker dependency, auto required by beaker-rspec

Pin gem beaker-rspec to :platform => :ruby which will not install on windows

ferventcoder/puppetlabs-powershell,jpogran/puppetlabs-powershell,Iristyle/puppetlabs-powershell,rismoney/puppetlabs-powershell,cpharishnec/powershell,puppetlabs/puppetlabs-powershell,jpogran/puppetlabs-powershell,MelanieGault/puppetlabs-powershell,cyberious/puppetlabs-powershell,kjhenner/puppetlabs-powershell,kinneygroup/puppetlabs-powershell,DSI-Ville-Noumea/puppetlabs-powershell