perf: WIP #10449, allow array of pids for posts.purge (#10465)
* perf: WIP #10449, allow array of pids for posts.purge
* refactor: deletePostDiffs
* perf: deletePostFromReplies/deletePostFromGroups
* refactor: upload
* refactor: deleteFromCategoryRecentPosts
deleteFromUsersBookmarks
deleteFromUsersVotes
* feat: closes #10468, add incrObjectFieldByBulk
* refactor: allow nids for notifications.rescind
* refactor: allow uids array for user.updatePostCount
* refactor: rewrite deleteFromTopicUserNotification to work with an array
* feat: deprecate action:post.purge as well
* lint: add missing comma