cifs: smbd: Enable signing with smbdirect

Now signing is supported with RDMA transport.

Remove the code that disabled it.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2 files changed