Remove unnecessary code

.rubocop.yml

@@ -71,7 +71,6 @@ Style/GlobalVars:
   Exclude:
     - 'features/support/env.rb'
     - 'spec/spec_helper.rb'
-    - 'spec/rails_helper.rb'
 
 Style/RescueModifier:
   Exclude:

spec/rails_helper.rb

@@ -1,11 +1,8 @@
 # frozen_string_literal: true
 
 # This should be on the top of the file.
-$coverage = true
-require 'simplecov'
-
-# This file is copied to spec/ when you run 'rails generate rspec:install'
 require 'spec_helper'
+
 ENV['RAILS_ENV'] ||= 'test'
 require File.expand_path('../config/environment', __dir__)