Delete obsolete .IX macro from man pages

man/arcsign.1

@@ -127,31 +127,26 @@
 .rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
-.IX Title "arcsign 1"
 .TH arcsign 1 "2017-01-23"
 .SH "NAME"
 arcsign
 \-
 Script for ARC signing messages on stdin
 .SH "VERSION"
-.IX Header "VERSION"
 0\.6\.0
 
 .SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
 
 arcsign is a filter that reads an RFC822 message on standard input, and writes
 the same message on standard output with a ARC-Signature lines prepended.  
 
 .SH "USAGE"
-.IX Header "USAGE"
 
 The signing options are specified on the command line:
 
 arcsign selector domain privatekeyfile
 
 .SH "AUTHORS"
-.IX Header "AUTHORS"
 This version of \fBarcsign\fR was written by Brandon Long <[email protected]>
 and is derived from \fBdkimsign\fR, written by Greg Hewgill
 <[email protected]>.

man/arcverify.1

@@ -127,25 +127,21 @@
 .rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
-.IX Title "dkimverify 1"
 .TH dkimverify 1 "2017-01-23"
 .SH "NAME"
 dkimverify
 \-
 Script for DKIM verifying messages on stdin
 .SH "VERSION"
-.IX Header "VERSION"
 0\.6\.0
 
 .SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
 
 dkimverify reads an RFC822 message on standard input, and returns with exit
 code 0 if the signature verifies successfully. Otherwise, it returns with exit
 code 1.
 
 .SH "AUTHORS"
-.IX Header "AUTHORS"
 This version of \fBarcverify\fR was written by Brandon Long <[email protected]>
 and is derived from \fBdkimverify\fR, written by Greg Hewgill
 <[email protected]>.

man/dkimsign.1

@@ -127,24 +127,20 @@
 .rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
-.IX Title "dkimsign 1"
 .TH dkimsign 1 "2018-02-05"
 .SH "NAME"
 dkimsign
 \-
 Script for DKIM signing messages on stdin
 .SH "VERSION"
-.IX Header "VERSION"
 0\.7\.0
 
 .SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
 
 dkimsign is a filter that reads an RFC822 message on standard input, and writes
 the same message on standard output with a DKIM-Signature line prepended.  
 
 .SH "USAGE"
-.IX Header "USAGE"
 
 usage: dkimsign.py [\-h] [\-\-hcanon {simple,relaxed}]
                    [\-\-bcanon {simple,relaxed}]
@@ -168,7 +164,6 @@ optional arguments:
   \-\-identity IDENTITY   Optional value for i= tag.
 
 .SH "AUTHORS"
-.IX Header "AUTHORS"
 The original version of \fBdkimsign\fR was written by Greg Hewgill
 <[email protected]>.  It has been substantially rewritten by Scott Kitterman
 <[email protected]>.

man/dkimverify.1

@@ -127,25 +127,21 @@
 .rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
-.IX Title "dkimverify 1"
 .TH dkimverify 1 "2017-01-23"
 .SH "NAME"
 dkimverify
 \-
 Script for DKIM verifying messages on stdin
 .SH "VERSION"
-.IX Header "VERSION"
 0\.6\.0
 
 .SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
 
 dkimverify reads an RFC822 message on standard input, and returns with exit
 code 0 if the signature verifies successfully. Otherwise, it returns with exit
 code 1.
 
 .SH "AUTHORS"
-.IX Header "AUTHORS"
 This version of \fBdkimverify\fR was written by Greg Hewgill <[email protected]>.
 .PP
 This man-page was created by Scott Kitterman <[email protected]> and is

man/dknewkey.1

@@ -127,18 +127,15 @@
 .rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
-.IX Title "dknewkey 1"
 .TH dknewkey 1 "2018-02-05"
 .SH "NAME"
 dknewkey
 \-
 Generates new DKIM public/private key pairs
 .SH "VERSION"
-.IX Header "VERSION"
 0\.8\.0
 
 .SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
 
 dknewykey generates new DKIM keys.
 
@@ -153,7 +150,6 @@ prevent inadvertent use with the now obsolete sha1 hash algorithm (See RFC
 8301).
 
 .SH "USAGE"
-.IX Header "USAGE"
 
 dknewkey.py [\-h] [\-\-ktype {rsa,ed25519}] key_name
 
@@ -169,7 +165,6 @@ NOTE: Depending on the packaging and distribution, the exact path and name for
 the executable may vary.
 
 .SH "AUTHORS"
-.IX Header "AUTHORS"
 This version of \fBdknewkey\fR was written by Brandon Long <[email protected]>.
 It has been substantially rewritten by Scott Kitterman <[email protected]>.
 .PP