Remove: #609 ローカルユーザー設定から購読許可を削除 (#782)

* #609 ローカルユーザー設定から購読許可を削除

* Fix test

* Fix test

app/models/concerns/account/master_settings.rb

@@ -5,6 +5,8 @@ module Account::MasterSettings
 
   included do
     def subscription_policy
+      return :allow if local?
+
       return master_settings['subscription_policy']&.to_sym || :allow if master_settings.present?
 
       # allow, followers_only, block

app/models/concerns/user/has_settings.rb

@@ -143,10 +143,6 @@ module User::HasSettings
     settings['dtl_force_searchability']&.to_sym || :unchange
   end
 
-  def setting_dtl_force_subscribable
-    settings['dtl_force_subscribable']
-  end
-
   def setting_hide_statuses_count
     settings['hide_statuses_count']
   end