update src/store/modules/tagsView.ts.

不是很懂这个文件在做什么，但是用更简单的方式为Set删除元素

Signed-off-by: supemeko <nek03@qq.com>

src/store/modules/tagsView.ts

@@ -72,10 +72,7 @@ export const useTagsViewStore = defineStore('tagsView', {
     // 删除缓存
     delCachedView() {
       const route = router.currentRoute.value
-      const index = findIndex<string>(this.getCachedViews, (v) => v === route.name)
+      this.cachedViews.delete(route.name)
-      if (index > -1) {
-        this.cachedViews.delete(this.getCachedViews[index])
-      }
     },
     // 删除所有缓存和tag
     delAllViews() {