fix space

src/server/service/page.js

@@ -27,6 +27,7 @@ class PageService {
 
     const { attachmentService } = this.crowi;
     const attachments = await Attachment.find({ page: { $in: pageIds } });
+
     return Promise.all([
       Bookmark.find({ page: { $in: pageIds } }).remove({}),
       Comment.find({ page: { $in: pageIds } }).remove({}),