[#4177] Requiring executed isn't letting it be saved as false.

app/models/contract.rb

@@ -12,7 +12,6 @@ class Contract < ActiveRecord::Base
   validates_presence_of :project
   validates_presence_of :start_date
   validates_presence_of :end_date
-  validates_presence_of :executed
   validates_inclusion_of :discount_type, :in => %w($ %), :allow_blank => true, :allow_nil => true
   validate :start_and_end_date_are_valid
 

test/unit/contract_test.rb

@@ -10,7 +10,6 @@ class ContractTest < ActiveSupport::TestCase
   should_validate_presence_of :project
   should_validate_presence_of :start_date
   should_validate_presence_of :end_date
-  should_validate_presence_of :executed
 
   should_not_allow_mass_assignment_of :project_id, :project, :discount_type