Revert "Merge pull request #16966 from why-el/symbolize-path-params"

This reverts commit 9d05d6de52871e57bfbf54a60de005e8a5f5b0e4, reversing
changes made to 0863c9248fd47a15e88e05ce4fcd80966684c0e3.

The change in the behaviour reported at #16958 doesn't exist since 4.0
and 4.1 works in the same way

2 files changed, 0 insertions, 9 deletions

diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 602d2b3944..f51bee3b31 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -287,7 +287,6 @@ module ActionDispatch
               }
             end
 
-            inner_options.symbolize_keys!
             result.merge!(inner_options)
           end
         end
diff --git a/actionpack/test/dispatch/routing/route_set_test.rb b/actionpack/test/dispatch/routing/route_set_test.rb
index 87d44064ea..c465d56bde 100644
--- a/actionpack/test/dispatch/routing/route_set_test.rb
+++ b/actionpack/test/dispatch/routing/route_set_test.rb
@@ -80,14 +80,6 @@ module ActionDispatch
         assert_equal '/foo/1/bar/2', url_helpers.foo_bar_path(2, foo_id: 1)
       end
 
-      test "stringified controller and action keys are properly symbolized" do
-        draw do
-          root 'foo#bar'
-        end
-
-        assert_equal '/', url_helpers.root_path('controller' => 'foo', 'action' => 'bar')
-      end
-
       private
         def draw(&block)
           @set.draw(&block)