Remove redis namespace extension

config/application.rb

@@ -24,7 +24,6 @@ Bundler.require(*Rails.groups)
 
 require_relative '../lib/exceptions'
 require_relative '../lib/sanitize_ext/sanitize_config'
-require_relative '../lib/redis/namespace_extensions'
 require_relative '../lib/paperclip/url_generator_extensions'
 require_relative '../lib/paperclip/attachment_extensions'
 require_relative '../lib/paperclip/lazy_thumbnail'

lib/redis/namespace_extensions.rb

@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-class Redis
-  module NamespaceExtensions
-    def exists?(...)
-      call_with_namespace('exists?', ...)
-    end
-  end
-end
-
-Redis::Namespace::COMMANDS['exists?'] = [:first]
-Redis::Namespace.prepend(Redis::NamespaceExtensions)