chore: added some more deprecation fixes for the routeRefs

Signed-off-by: blam <ben@blam.sh>

plugins/rollbar/src/components/Router.tsx

@@ -19,7 +19,6 @@ import { useEntity } from '@backstage/plugin-catalog-react';
 import React from 'react';
 import { Route, Routes } from 'react-router';
 import { ROLLBAR_ANNOTATION } from '../constants';
-import { rootRouteRef } from '../plugin';
 import { EntityPageRollbar } from './EntityPageRollbar/EntityPageRollbar';
 import { MissingAnnotationEmptyState } from '@backstage/core-components';
 
@@ -40,10 +39,7 @@ export const Router = (_props: Props) => {
 
   return (
     <Routes>
-      <Route
-        path={`/${rootRouteRef.path}`}
-        element={<EntityPageRollbar entity={entity} />}
-      />
+      <Route path="/" element={<EntityPageRollbar entity={entity} />} />
     </Routes>
   );
 };