ref(rr6): Remove react-router restricted import (#78741)

biome.json

@@ -39,9 +39,7 @@
         "noRestrictedImports": {
           "level": "warn",
           "options": {
-            "paths": {
-              "react-router": "Do not import from react-router. While we transition to 6 there are shims to import from"
-            }
+            "paths": {}
           }
         }
       },