fix: correct back button work

spa/src/views/Product.vue

@@ -46,14 +46,12 @@ import {onMounted, ref} from "vue";
 import {$fetch} from "ofetch";
 import { useRoute } from 'vue-router'
 import { useRouter } from 'vue-router'
-import {useBackButton, useHapticFeedback} from 'vue-tg';
+import {useHapticFeedback} from 'vue-tg';
 const hapticFeedback = useHapticFeedback();
 
 const router = useRouter()
 const route = useRoute()
 const productId = route.params.id
-
-const id = 28;
 const product = ref([]);
 
 onMounted(async () => {
@@ -61,14 +59,6 @@ onMounted(async () => {
   product.value = data;
 });
 
-const backButton = useBackButton();
-if (typeof backButton.show === 'function') {
-  backButton.show();
-  backButton.onClick(() => {
-    router.back()
-  });
-}
-
 const carouselRef = ref();
 let lastScrollLeft = 0;
 function onScroll(e) {