refactor: Simplify Button usage in BookmarkSettings component

Author: medyo

src/features/settings/components/BookmarkSettings/BookmarkSettings.tsx

@@ -124,7 +124,7 @@ export const BookmarkSettings = () => {
               className="hidden"
               onChange={handleFileChange}
             />
-            <Button onClick={importBookmarks} className="dndButton">
+            <Button onClick={importBookmarks}>
               <RiFileUploadFill />
               Import
             </Button>