remove unnecessary vue imports

> `defineProps` and `defineEmits` are compiler macros only usable inside
> `<script setup>`. They do not need to be imported, and are compiled away
> when `<script setup>` is processed.

-- https://vuejs.org/api/sfc-script-setup.html#defineprops-defineemits

packages/client/src/components/object-view.value.vue

@@ -29,7 +29,7 @@
 </template>
 
 <script lang="ts" setup>
-import { reactive, defineProps } from 'vue';
+import { reactive } from 'vue';
 import number from '@/filters/number';
 
 const props = defineProps<{

packages/client/src/ui/classic.sidebar.vue

@@ -40,7 +40,7 @@
 </template>
 
 <script lang="ts" setup>
-import { defineAsyncComponent, watch, defineEmits, onMounted, nextTick } from 'vue';
+import { defineAsyncComponent, watch, onMounted, nextTick } from 'vue';
 import * as os from '@/os';
 import { menuDef } from '@/menu';
 import { openAccountMenu, $i, iAmModerator } from '@/account';