Merge pull request #3578 from amatsuda/remove_j_alias_for_json_escape

Remove j alias for ERB::Util.json_escape

activesupport/lib/active_support/core_ext/string/output_safety.rb

@@ -60,18 +60,11 @@ def html_escape_once(s)
     #   json_escape('{"name":"john","created_at":"2010-04-28T01:39:31Z","id":1}')
     #   # => {name:john,created_at:2010-04-28T01:39:31Z,id:1}
     #
-    # This method is also aliased as +j+, and available as a helper
-    # in Rails templates:
-    #
-    #   <%=j @person.to_json %>
-    #
     def json_escape(s)
       result = s.to_s.gsub(JSON_ESCAPE_REGEXP) { |special| JSON_ESCAPE[special] }
       s.html_safe? ? result.html_safe : result
     end
 
-    alias j json_escape
-    module_function :j
     module_function :json_escape
   end
 end