refactor: remove redundant admin checks from pages (now handled by router)

src/pages/cuadres_de_tarro.vue

@@ -10,10 +10,5 @@
       const authStore = useAuthStore();
       return { authStore };
     },
-    mounted() {
-      if (!this.authStore.isAdmin) {
-        this.$router.push('/');
-      }
-    },
   }
 </script>