fs: ntfs3: remove FS_ALLOW_IDMAP flag

upstream commit: torvalds/linux@a643594

part of namespace commit sets, again, lots of commits to pick hence dropping this

Signed-off-by: Jebaitedneko <Jebaitedneko@gmail.com>

Author: Jebaitedneko

fs/ntfs3/super.c

@@ -1440,7 +1440,7 @@ static struct file_system_type ntfs_fs_type = {
 	.name		= "ntfs3",
 	.mount		= ntfs_mount,
 	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV | FS_ALLOW_IDMAP,
+	.fs_flags	= FS_REQUIRES_DEV,
 };
 // clang-format on