fix(app-store): simplify inbox creation controller

app/controllers/api/v1/accounts/inboxes_controller.rb

@@ -31,8 +31,6 @@ class Api::V1::Accounts::InboxesController < Api::V1::Accounts::BaseController
   end
 
   def create
-    return render_app_store_feature_disabled if app_store_channel_requested? && !Current.account.feature_enabled?(:channel_app_store)
-
     ActiveRecord::Base.transaction do
       channel = create_channel
       @inbox = Current.account.inboxes.build(
@@ -102,14 +100,6 @@ class Api::V1::Accounts::InboxesController < Api::V1::Accounts::BaseController
     %w[web_widget api email line telegram whatsapp sms app_store]
   end
 
-  def app_store_channel_requested?
-    permitted_params.dig(:channel, :type) == 'app_store'
-  end
-
-  def render_app_store_feature_disabled
-    render json: { message: 'App Store Reviews channel is not enabled for this account' }, status: :forbidden
-  end
-
   def update_inbox_working_hours
     @inbox.update_working_hours(params.permit(working_hours: Inbox::OFFISABLE_ATTRS)[:working_hours]) if params[:working_hours]
   end