refactor(admin): 移除未使用的Element Plus图标导入

- 从AdminView.vue中移除未使用的Delete、Clock、Document图标导入
- 从TokenManageView.vue中移除未使用的Document、Search、DocumentAdd图标导入
- 优化代码结构，减少不必要的依赖引入
- 修复AddDataDialog组件属性缩进格式问题

web/src/views/AdminView.vue

@@ -2,7 +2,7 @@
 import {ref, watch, computed} from 'vue'
 import {useRoute, useRouter} from "vue-router"
 import {useCounterStore} from "@/stores/counter.ts"
-import {Edit, Delete, Clock, User, Document, CloseBold} from '@element-plus/icons-vue'
+import {Edit, User, Document, CloseBold} from '@element-plus/icons-vue'
 
 const router = useRouter()
 const route = useRoute()

web/src/views/TokenManageView.vue

@@ -4,7 +4,7 @@ import axios from "@/axios.ts"
 import {ElMessage} from 'element-plus'
 import {useCounterStore} from "@/stores/counter.ts"
 import {useRouter} from "vue-router"
-import {Plus, View, Edit, Delete, Key, Document, Memo, Search, Lock, DocumentAdd} from '@element-plus/icons-vue'
+import {Plus, View, Edit, Delete, Key, Memo, Lock} from '@element-plus/icons-vue'
 import AddDataDialog from '@/components/AddDataDialog.vue'
 
 const store = useCounterStore()