Removes active record from a Rails app

gistfile1.diff

diff --git a/Gemfile b/Gemfile
index fd83475..a4c0255 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gem 'rails', '3.2.3'
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
 
-gem 'sqlite3'
+# gem 'sqlite3'
 
 gem 'json'
 
diff --git a/config/application.rb b/config/application.rb
index bd6ecc6..cf4d1e2 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -1,6 +1,17 @@
 require File.expand_path('../boot', __FILE__)
 
-require 'rails/all'
+%w(
+  action_controller
+  action_mailer
+  active_resource
+  rails/test_unit
+  sprockets
+).each do |framework|
+  begin
+    require "#{framework}/railtie"
+  rescue LoadError
+  end
+end
 
 if defined?(Bundler)
   # If you precompile assets before deploying to production, use this line
@@ -48,7 +59,7 @@ module StorePublisher
     # This will create an empty whitelist of attributes available for mass-assignment for all models
     # in your app. As such, your models will need to explicitly whitelist or blacklist accessible
     # parameters by using an attr_accessible or attr_protected declaration.
-    config.active_record.whitelist_attributes = true
+    # config.active_record.whitelist_attributes = true
 
     # Enable the asset pipeline
     config.assets.enabled = true
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 769c2a9..5a12b26 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -23,11 +23,11 @@ StorePublisher::Application.configure do
   config.action_dispatch.best_standards_support = :builtin
 
   # Raise exception on mass assignment protection for Active Record models
-  config.active_record.mass_assignment_sanitizer = :strict
+  # config.active_record.mass_assignment_sanitizer = :strict
 
   # Log the query plan for queries taking more than this (works
   # with SQLite, MySQL, and PostgreSQL)
-  config.active_record.auto_explain_threshold_in_seconds = 0.5
+  # config.active_record.auto_explain_threshold_in_seconds = 0.5
 
   # Do not compress assets
   config.assets.compress = false