Remove attr_accessor :default, since #default and #default= are defined.
Remove attr_accessor :default, since #default and #default= are defined.

openlogic/publicsuffix-ruby,emq/publicsuffix-ruby,weppos/publicsuffix-ruby,stas-tanko/publicsuffix-ruby,itcentralstation/publicsuffix-ruby,CloudCannon/publicsuffix-ruby