deprecation.rb in activesupport-6.0.0.beta1

- old
+ new

@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 require "active_support/deprecation"
-require "active_support/core_ext/regexp"
 
 module ActiveSupport
   module Testing
     module Deprecation #:nodoc:
       def assert_deprecated(match = nil, deprecator = nil, &block)