Revert "Adds SassResourceUrlSanitizer to recognize variants in the URL (

#1182)"

This is not building with Wicket 10.3.0

This reverts commit 05ffe8a.

bootstrap-sass/src/main/java/de/agilecoders/wicket/sass/BootstrapSass.java

@@ -4,7 +4,6 @@
 import org.apache.wicket.markup.html.IPackageResourceGuard;
 import org.apache.wicket.markup.html.SecurePackageResourceGuard;
 import org.apache.wicket.request.resource.IResourceReferenceFactory;
-import org.apache.wicket.request.resource.IResourceUrlSanitizer;
 import org.apache.wicket.request.resource.ResourceReferenceRegistry;
 
 /**
@@ -40,10 +39,6 @@ public static void install(final Application app, final SassCompilerOptionsFacto
         ResourceReferenceRegistry resourceReferenceRegistry = app.getResourceReferenceRegistry();
         IResourceReferenceFactory delegate = resourceReferenceRegistry.getResourceReferenceFactory();
         resourceReferenceRegistry.setResourceReferenceFactory(new SassResourceReferenceFactory(delegate));
-
-        IResourceUrlSanitizer sanitizer = app.getResourceSettings().getUrlSanitizer();
-        SassResourceUrlSanitizer sassSanitizer = new SassResourceUrlSanitizer(sanitizer);
-        app.getResourceSettings().setUrlSanitizer(sassSanitizer);
     }
 
     /**