Merge pull request #15213 from tgxworld/remove_redundant_code

Remove redundant code.

actionpack/lib/action_dispatch/middleware/public_exceptions.rb

@@ -32,9 +32,8 @@ def render_format(status, content_type, body)
     end
 
     def render_html(status)
-      found = false
-      path = "#{public_path}/#{status}.#{I18n.locale}.html" if I18n.locale
-      path = "#{public_path}/#{status}.html" unless path && (found = File.exist?(path))
+      path = "#{public_path}/#{status}.#{I18n.locale}.html"
+      path = "#{public_path}/#{status}.html" unless (found = File.exist?(path))
 
       if found || File.exist?(path)
         render_format(status, 'text/html', File.read(path))