class ChefCLI::Policyfile::Differ

def report_removed_cookbooks
  return nil if removed_cookbooks.empty?
  h1("REMOVED COOKBOOKS")
  removed_cookbooks.each do |cb_name|
    ui.print("\n")
    old_lock = pretty_json(old_cookbook_locks[cb_name])
    new_lock = []
    h2(cb_name)
    diff_lines(old_lock, new_lock)
  end
end