    # File lib/fog/ibm/requests/compute/delete_key.rb, line 26
            def delete_key(key_name)
              response = Excon::Response.new
              if key_exists? key_name
                self.data[:keys].delete(key_name)
                response.status = 200
                response.body = {"success"=>true}
              else
                response.status = 404
              end
              response
            end