Remove unused code from class spec.

describe JsDuck::Class do

  def make_class(cfg)

    cfg[:members].each do |m|

      m[:tagname] = :property unless m[:tagname]

      m[:owner] = cfg[:name]

      m[:meta] = {} unless m[:meta]

      m[:meta][:static] = true if m[:static]

      m[:id] = JsDuck::Class.member_id(m)

    end

    JsDuck::Class.new(cfg)

  end

  describe "#find_members" do

    let (:cls) do

      classes = {}