upstream commit

remove -1 / -2 options; pointed out by jmc@

Upstream-ID: 65d2a816000741a95df1c7cfdb5fa8469fcc7daa
diff --git a/sftp.1 b/sftp.1
index fbdd00a..05e008c 100644
--- a/sftp.1
+++ b/sftp.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: sftp.1,v 1.105 2016/07/16 06:57:55 jmc Exp $
+.\" $OpenBSD: sftp.1,v 1.106 2017/05/02 08:54:19 djm Exp $
 .\"
 .\" Copyright (c) 2001 Damien Miller.  All rights reserved.
 .\"
@@ -22,7 +22,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 16 2016 $
+.Dd $Mdocdate: May 2 2017 $
 .Dt SFTP 1
 .Os
 .Sh NAME
@@ -31,7 +31,7 @@
 .Sh SYNOPSIS
 .Nm sftp
 .Bk -words
-.Op Fl 1246aCfpqrv
+.Op Fl 46aCfpqrv
 .Op Fl B Ar buffer_size
 .Op Fl b Ar batchfile
 .Op Fl c Ar cipher
@@ -95,10 +95,6 @@
 .Pp
 The options are as follows:
 .Bl -tag -width Ds
-.It Fl 1
-Specify the use of protocol version 1.
-.It Fl 2
-Specify the use of protocol version 2.
 .It Fl 4
 Forces
 .Nm