Remove ssh keys for dtk client

remove_ssh.ruby

output = `dtk account list-ssh-keys`
output =  output.split(/\n/)

output.each do |line|
   match = line.match(/[0-9]+ \| (.*) \|/)
   if match
     identifier = match[1]
     puts "Deleting #{identifier} ..."
     puts `dtk account delete-ssh-key #{identifier}`
   end
end