Issue #3195571 by daffie, longwave: [Symfony 6] The constant...

Issue #3195571 by daffie, longwave: [Symfony 6] The constant Symfony\Component\Routing\RouteCompiler::REGEX_DELIMITER is deprecated

core/lib/Drupal/Core/Routing/RouteCompiler.php

@@ -11,11 +11,6 @@
  */
 class RouteCompiler extends SymfonyRouteCompiler implements RouteCompilerInterface {
 
-  /**
-   * Utility constant to use for regular expressions against the path.
-   */
-  const REGEX_DELIMITER = '#';
-
   /**
    * Compiles the current route instance.
    *