style: Rubocop changes for Ruby 4

Author: kspurgin

.rubocop.yml

@@ -1,4 +1,4 @@
 inherit_gem:
   almost_standard: .rubocop.yml
 AllCops:
-  TargetRubyVersion: 3.4
+  TargetRubyVersion: 4.0

Gemfile

@@ -6,7 +6,7 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 group :documentation do
   gem "irb" # needed until https://github.com/lsegal/yard/issues/1636
-            #   is resolved
+  #   is resolved
   gem "kramdown" # markdown parser for generating documentation
   gem "yard"
 end

bin/rspec

@@ -8,7 +8,6 @@
 # this file is here to facilitate running it.
 #
 
-require "pathname"
 ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
   Pathname.new(__FILE__).realpath)
 

bin/rubocop

@@ -8,7 +8,6 @@
 # this file is here to facilitate running it.
 #
 
-require "pathname"
 ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
   Pathname.new(__FILE__).realpath)
 

lib/kiba/extend/destinations/destinationable.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "fileutils"
-require "pathname"
 
 module Kiba
   module Extend

lib/kiba/extend/sources/json_dir.rb

@@ -3,7 +3,6 @@
 # rubocop:todo Layout/LineLength
 
 require "json"
-require "pathname"
 
 module Kiba
   module Extend

lib/kiba/extend/transforms/delete/empty_field_groups.rb

@@ -230,9 +230,9 @@ def setup_index_analyzer(prepped_vals)
           def prep_for_empty_index_identification(vals)
             vals.dup
               .transform_values do |vals|
-              vals.map do |val|
-                empty_val?(val) ? :empty : :notempty
-              end
+                vals.map do |val|
+                  empty_val?(val) ? :empty : :notempty
+                end
             end
           end
 

spec/kiba/extend/destinations/csv_spec.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "fileutils"
-require "pathname"
 require "spec_helper"
 
 RSpec.describe Kiba::Extend::Destinations::CSV do