Drop Active Support dependency

Gemfile.lock

@@ -2,25 +2,17 @@ PATH
   remote: .
   specs:
     kiji (0.2.2)
-      activesupport (>= 5.2)
       faraday
       nokogiri
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.0)
     byebug (11.0.1)
     coderay (1.1.2)
-    concurrent-ruby (1.1.5)
     crack (0.4.5)
       rexml
     diff-lcs (1.3)
@@ -62,20 +54,18 @@ GEM
       guard (~> 2.0)
       rubocop (~> 0.20)
     hashdiff (1.0.1)
-    i18n (1.7.0)
-      concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.4)
     listen (3.4.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     lumberjack (1.0.13)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
-    minitest (5.14.3)
+    mini_portile2 (2.5.3)
     multipart-post (2.1.1)
     nenv (0.3.0)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.7)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -89,6 +79,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.10)
     public_suffix (4.0.6)
+    racc (1.5.2)
     rainbow (3.0.0)
     rake (13.0.1)
     rb-fsevent (0.10.4)
@@ -120,16 +111,12 @@ GEM
     rubyzip (2.0.0)
     shellany (0.0.1)
     thor (0.20.3)
-    thread_safe (0.3.6)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
     unicode-display_width (1.6.0)
     vcr (6.0.0)
     webmock (3.11.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    zeitwerk (2.2.2)
 
 PLATFORMS
   ruby

kiji.gemspec

@@ -35,7 +35,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'webmock'
 
   # spec.add_runtime_dependency 'signer'
-  spec.add_runtime_dependency 'activesupport', '>= 5.2'
   spec.add_runtime_dependency 'faraday'
   spec.add_runtime_dependency 'nokogiri'
 end

lib/kiji/access.rb

@@ -1,6 +1,3 @@
-require 'active_support'
-require 'active_support/core_ext/object'
-
 module Kiji
   module Access
     def apply(file_name, file_data)

spec/kiji/access_spec.rb

@@ -51,7 +51,7 @@
       create_zip('9990000000000008', ['torisageshinsei.xml'])
 
       send_number = '201504281051005638'
-      if send_number.blank?
+      unless send_number
         # 取下げ申請可能な手続き（900A010000004000）の申請
         file_name = "#{procedure_id}.zip"
         file_data = Base64.encode64(File.new("#{@temp_dir}/#{file_name}").read)
@@ -68,7 +68,7 @@
     end
 
     arrive_id = '9002015000246820'
-    if arrive_id.present?
+    if arrive_id
       let(:expected_status_code) { 202 }
       let(:response) do
         # 取下げ申請データを Base64 エンコード