fs/ntfs3: Remove unnecessary functions

mainline inclusion
from mainline-v5.15
commit 95dd8b2c
category: feature
bugzilla:
https://gitee.com/openeuler/kernel/issues/I4G67J?from=project-issue


CVE: NA

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We don't need ntfs_xattr_get_acl and ntfs_xattr_set_acl.
There are ntfs_get_acl_ex and ntfs_set_acl_ex.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Yin Xiujiang <yinxiujiang@kylinos.cn>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Acked-by: Hou Tao <houtao1@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>