Remove useless hook usage

geneit_app/src/routes/FamiliesListRoute.tsx

@@ -11,7 +11,6 @@ import {
   Typography,
 } from "@mui/material";
 import React from "react";
-import { useNavigate } from "react-router-dom";
 import { Family, FamilyApi } from "../api/FamilyApi";
 import { CreateFamilyDialog } from "../dialogs/CreateFamilyDialog";
 import { JoinFamilyDialog } from "../dialogs/JoinFamilyDialog";
@@ -185,7 +184,6 @@ function FamilyCard(p: {
 }): React.ReactElement {
   const confirm = useConfirm();
   const alert = useAlert();
-  const navigate = useNavigate();
 
   const leaveFamily = async () => {
     try {