Remove unnecessary changes

app/models/account.rb

@@ -64,7 +64,6 @@ class Account < ApplicationRecord
   has_many :canned_responses, dependent: :destroy_async
   has_many :categories, dependent: :destroy_async, class_name: '::Category'
   has_many :contacts, dependent: :destroy_async
-  has_many :copilot_threads, dependent: :destroy
   has_many :conversations, dependent: :destroy_async
   has_many :csat_survey_responses, dependent: :destroy_async
   has_many :custom_attribute_definitions, dependent: :destroy_async

app/models/user.rb

@@ -78,7 +78,6 @@ class User < ApplicationRecord
   alias_attribute :conversations, :assigned_conversations
   has_many :csat_survey_responses, foreign_key: 'assigned_agent_id', dependent: :nullify, inverse_of: :assigned_agent
   has_many :conversation_participants, dependent: :destroy_async
-  has_many :copilot_threads, dependent: :destroy
   has_many :participating_conversations, through: :conversation_participants, source: :conversation
 
   has_many :inbox_members, dependent: :destroy_async