WebDAV code modifications in order to pass Litmus tester

lib/redmine_dmsf/webdav/dmsf_resource.rb

@@ -210,9 +210,7 @@ module RedmineDmsf
         elsif folder
           # To fullfil Litmus requirements to not delete folder if fragments are in the URL
           uri = URI(request.get_header('REQUEST_URI'))
-          if uri && uri.fragment
-            raise BadRequest
-          end
+          raise BadRequest if uri.fragment
           raise Forbidden unless User.current.admin? || User.current.allowed_to?(:folder_manipulation, project)
           raise Forbidden unless DmsfFolder.permissions?(folder, false)
           folder.delete(false) ? NoContent : Conflict