get relative path differently.

Closes #3062074

jsnippet.module

@@ -24,9 +24,7 @@ function jsnippet_library_info_build() {
       $uri = $snippet->getUri();
     }
     else {
-      $url = \Drupal::service('file_url_generator')->generateAbsoluteString($snippet->getUri());
-      $url = parse_url($url);
-      $uri = $url['path'];
+      $uri = $snippet->getUri();
     }
     
     $type = $snippet->get('type') ? $snippet->get('type') : 'js';