man: Include lvmchange/lvmsar/lvmsadc content in lvm.8

Remove separate lvmchange man page as the external command has also been
removed.

man/Makefile.in

@@ -39,7 +39,7 @@ MAN8=lvm.8 lvmconf.8 lvmdump.8 lvm-config.8 lvm-dumpconfig.8 lvm-fullreport.8 \
      vgck.8 vgcreate.8 vgconvert.8 vgdisplay.8 vgexport.8 vgextend.8 \
      vgimport.8 vgimportclone.8 vgmerge.8 vgmknodes.8 vgreduce.8 vgremove.8 \
      vgrename.8 vgs.8 vgscan.8 vgsplit.8 \
-     lvmsar.8 lvmsadc.8 lvmdiskscan.8 lvmchange.8
+     lvmsar.8 lvmsadc.8 lvmdiskscan.8
 MAN8DM=dmsetup.8 dmstats.8 dmfilemapd.8
 MAN8CLUSTER=
 MAN8SYSTEMD_GENERATORS=lvm2-activation-generator.8

man/lvm.8_main

@@ -233,6 +233,8 @@ Scan (all disks) for Logical Volumes.
 .P
 The following LVM1 commands are not implemented in LVM2:
 .BR lvmchange ", " lvmsadc ", " lvmsar ", " pvdata .
+For performance metrics, use \fBdmstats\fP(8) or to manipulate the kernel
+device-mapper driver used by LVM2 directly, use \fBdmsetup\fP(8).
 .
 .SH VALID NAMES
 .
@@ -543,4 +545,5 @@ directly.
 .BR lvmcache (7)
 
 .BR dmsetup (8),
+.BR dmstats (8),
 .BR readline (3)

man/lvmchange.8_main

@@ -1,10 +0,0 @@
-.TH LVMCHANGE 8 "LVM TOOLS #VERSION#" "Sistina Software UK" \" -*- nroff -*-
-.SH NAME
-lvmchange \(em change attributes of the logical volume manager
-.SH SYNOPSIS
-.B lvmchange
-.SH DESCRIPTION
-lvmchange is not currently supported under LVM2, although
-\fBdmsetup\fP(8) has a \fBremove_all\fP command.
-.SH SEE ALSO
-.BR dmsetup (8)