refactor: remove unused script and style sections

frontend/app/components/Footer.vue

@@ -1,11 +1,7 @@
-<script setup lang="ts"></script>
-
 <template>
     <v-footer>
         <div style="display: flex; flex-direction: column;">
             <div>(c) Fakulta prírodných vied a informatiky, UKF v Nitre</div>
         </div>
     </v-footer>
-</template>
-
-<style scoped></style>
+</template>

frontend/app/components/NavBar.vue

@@ -1,5 +1,3 @@
-<script setup lang="ts"></script>
-
 <template>
     <div>
         <v-app-bar color="rgb(46, 125, 50)" style="color: white" :elevation="2">
@@ -10,6 +8,4 @@
             <v-spacer></v-spacer>
         </v-app-bar>
     </div>
-</template>
-
-<style scoped></style>
+</template>