removes poll-booth direct association

app/models/poll.rb

@@ -1,5 +1,4 @@
 class Poll < ActiveRecord::Base
-  has_many :booths
   has_many :voters, through: :booths, class_name: "Poll::Voter"
   has_many :officers, through: :booths, class_name: "Poll::Officer"
   has_many :questions

app/models/poll/booth.rb

@@ -1,6 +1,5 @@
 class Poll
   class Booth < ActiveRecord::Base
-    belongs_to :poll
     has_many :voters
     has_many :officing_booths, dependent: :destroy
     has_many :officers, through: :officing_booths