Remove Rubocop::SpecHelper file

rubocop/cop/rspec/be_success_matcher.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative '../../spec_helpers'
-
 module RuboCop
   module Cop
     module RSpec
@@ -24,8 +22,6 @@ module RuboCop
       #   it { is_expected.to be_successful }
       #
       class BeSuccessMatcher < RuboCop::Cop::Cop
-        include SpecHelpers
-
         MESSAGE = 'Do not use deprecated `success?` method, use `successful?` instead.'
 
         def_node_search :expect_to_be_success?, <<~PATTERN

rubocop/spec_helpers.rb

@@ -1,30 +0,0 @@
-module RuboCop
-  module SpecHelpers
-    SPEC_HELPERS = %w[fast_spec_helper.rb rails_helper.rb spec_helper.rb].freeze
-    MIGRATION_SPEC_DIRECTORIES = ['spec/migrations', 'spec/lib/gitlab/background_migration'].freeze
-
-    # Returns true if the given node originated from the spec directory.
-    def in_spec?(node)
-      path = node.location.expression.source_buffer.name
-      pwd = RuboCop::PathUtil.pwd
-
-      !SPEC_HELPERS.include?(File.basename(path)) &&
-        path.start_with?(File.join(pwd, 'spec'), File.join(pwd, 'ee', 'spec'))
-    end
-
-    def migration_directories
-      @migration_directories ||= MIGRATION_SPEC_DIRECTORIES.map do |dir|
-        pwd = RuboCop::PathUtil.pwd
-        [File.join(pwd, dir), File.join(pwd, 'ee', dir)]
-      end.flatten
-    end
-
-    # Returns true if the given node originated from a migration spec.
-    def in_migration_spec?(node)
-      path = node.location.expression.source_buffer.name
-
-      in_spec?(node) &&
-        path.start_with?(*migration_directories)
-    end
-  end
-end

spec/rubocop/cop/rspec/be_success_matcher_spec.rb

@@ -2,9 +2,6 @@
 
 require 'spec_helper'
 
-require 'rubocop'
-require 'rubocop/rspec/support'
-
 require_relative '../../../../rubocop/cop/rspec/be_success_matcher'
 
 describe RuboCop::Cop::RSpec::BeSuccessMatcher do