Merge pull request #16770 from arthurnn/add_string_strip_require

Add and Remove string/strip require

activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb

+require 'active_support/core_ext/string/strip'
+
 module ActiveRecord
   module ConnectionAdapters
     class AbstractAdapter

activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb

@@ -2,7 +2,6 @@
 require 'set'
 require 'bigdecimal'
 require 'bigdecimal/util'
-require 'active_support/core_ext/string/strip'
 
 module ActiveRecord
   module ConnectionAdapters #:nodoc:

activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb

 require 'arel/visitors/bind_visitor'
+require 'active_support/core_ext/string/strip'
 
 module ActiveRecord
   module ConnectionAdapters