chore: remove Breadcrumbs component feature flag

vaadin-breadcrumbs-flow-parent/vaadin-breadcrumbs-flow/src/main/java/com/vaadin/flow/component/breadcrumbs/Breadcrumbs.java

@@ -24,7 +24,6 @@
 import org.jspecify.annotations.Nullable;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.vaadin.experimental.FeatureFlags;
 import com.vaadin.flow.component.AttachEvent;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.ComponentUtil;
@@ -55,9 +54,6 @@
 /**
  * Breadcrumbs is a component for displaying a navigation trail that shows the
  * user's location within a hierarchy of pages.
- * <p>
- * This component is experimental and needs to be enabled with the
- * {@code com.vaadin.experimental.breadcrumbsComponent} feature flag.
  *
  * @author Vaadin Ltd
  * @since 25.2
@@ -267,8 +263,6 @@ private boolean hasChildrenBinding() {
     @Override
     protected void onAttach(AttachEvent attachEvent) {
         super.onAttach(attachEvent);
-        checkFeatureFlag(attachEvent.getUI());
-
         if (mode == Mode.ROUTER) {
             registerNavigationListener(attachEvent.getUI());
         }
@@ -434,15 +428,6 @@ private String resolveTitle(RouteReference reference,
                 .orElse("");
     }
 
-    private void checkFeatureFlag(UI ui) {
-        FeatureFlags featureFlags = FeatureFlags
-                .get(ui.getSession().getService().getContext());
-        if (!featureFlags.isEnabled(
-                BreadcrumbsFeatureFlagProvider.BREADCRUMBS_COMPONENT)) {
-            throw new ExperimentalFeatureException();
-        }
-    }
-
     /**
      * Gets the internationalization object previously set for this component.
      * <p>

vaadin-breadcrumbs-flow-parent/vaadin-breadcrumbs-flow/src/test/java/com/vaadin/flow/component/breadcrumbs/tests/BreadcrumbsModeTest.java

@@ -28,7 +28,6 @@
 import com.vaadin.flow.component.UI;
 import com.vaadin.flow.component.breadcrumbs.Breadcrumbs;
 import com.vaadin.flow.component.breadcrumbs.Breadcrumbs.Mode;
-import com.vaadin.flow.component.breadcrumbs.BreadcrumbsFeatureFlagProvider;
 import com.vaadin.flow.component.breadcrumbs.BreadcrumbsItem;
 import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.router.AfterNavigationEvent;
@@ -51,18 +50,13 @@
 import com.vaadin.flow.server.VaadinService;
 import com.vaadin.flow.server.startup.ApplicationRouteRegistry;
 import com.vaadin.flow.signals.local.ValueSignal;
-import com.vaadin.tests.EnableFeatureFlagExtension;
 import com.vaadin.tests.MockUIExtension;
 
 class BreadcrumbsModeTest {
 
     @RegisterExtension
     MockUIExtension ui = new MockUIExtension();
 
-    @RegisterExtension
-    EnableFeatureFlagExtension featureFlagExtension = new EnableFeatureFlagExtension(
-            BreadcrumbsFeatureFlagProvider.BREADCRUMBS_COMPONENT);
-
     @AfterEach
     void clearCurrentService() {
         // installRouter sets the current service for title resolution; clear it