Revert "Pass in the request as an optional second parameter to redirect"

Was not tested.

This reverts commit a8c3c71a.

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -243,7 +243,7 @@ def redirect(*args, &block)
 
           lambda do |env|
             req = Request.new(env)
-            uri = URI.parse(path_proc.call(req.symbolized_path_parameters, req))
+            uri = URI.parse(path_proc.call(req.symbolized_path_parameters))
             uri.scheme ||= req.scheme
             uri.host   ||= req.host
             uri.port   ||= req.port unless req.port == 80