style(CustomDialog): 🎨 去除多余的代码

app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt

@@ -735,7 +735,6 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
             val useReplace = AppConfig.exportUseReplace && book.getUseReplaceRule()
             val contentProcessor = ContentProcessor.get(book.name, book.origin)
             var chapterList: MutableList<BookChapter> = ArrayList()
-            appDb.bookChapterDao.getChapterList(book.bookUrl)
             appDb.bookChapterDao.getChapterList(book.bookUrl).forEachIndexed { index, chapter ->
                 if (scope.indexOf(index) >= 0) {
                     chapterList.add(chapter)