[Routing][FrameworkBundle] Remove deprecated ServiceRouterLoader, ObjectRouteLoader and routing.loader.service

Author: fancyweb

CHANGELOG.md

@@ -8,6 +8,7 @@ CHANGELOG
  * removed `generator_base_class`, `generator_cache_class`, `matcher_base_class` and `matcher_cache_class` router options
  * `Serializable` implementing methods for `Route` and `CompiledRoute` are final
  * removed referencing service route loaders with a single colon
+ * Removed `ServiceRouterLoader` and `ObjectRouteLoader`.
 
 4.4.0
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