refactor(vue3): drop redundant defineOptions imports

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/App.vue

@@ -23,7 +23,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, defineOptions } from 'vue'
+import { ref, computed } from 'vue'
 
 defineOptions({ name: 'LibreSign' })
 

src/ExternalApp.vue

@@ -12,7 +12,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, defineOptions } from 'vue'
+import { computed } from 'vue'
 
 defineOptions({ name: 'LibreSignExternal' })