plugins: remove unnecessary use of convertLegacyRouteRef(s)

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/kubernetes/src/alpha/pages.tsx

@@ -15,16 +15,12 @@
  */
 
 import { PageBlueprint } from '@backstage/frontend-plugin-api';
-import { convertLegacyRouteRef } from '@backstage/core-compat-api';
 import { rootCatalogKubernetesRouteRef } from '../plugin';
 
 export const kubernetesPage = PageBlueprint.make({
   params: {
     path: '/kubernetes',
-    // you can reuse the existing routeRef
-    // by wrapping into the convertLegacyRouteRef.
-    routeRef: convertLegacyRouteRef(rootCatalogKubernetesRouteRef),
-    // these inputs usually match the props required by the component.
+    routeRef: rootCatalogKubernetesRouteRef,
     loader: () => import('../Router').then(m => <m.Router />),
   },
 });

plugins/kubernetes/src/alpha/plugin.tsx

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import { convertLegacyRouteRefs } from '@backstage/core-compat-api';
 import { createFrontendPlugin } from '@backstage/frontend-plugin-api';
 import { kubernetesPage } from './pages';
 import { entityKubernetesContent } from './entityContents';
@@ -37,5 +36,5 @@ export default createFrontendPlugin({
     kubernetesAuthProvidersApi,
     kubernetesClusterLinkFormatterApi,
   ],
-  routes: convertLegacyRouteRefs({ kubernetes: rootCatalogKubernetesRouteRef }),
+  routes: { kubernetes: rootCatalogKubernetesRouteRef },
 });