Move mkfiles from /etc/mk to /usr/share/mk

Simplifies pkgsrc porting.

man/man1/Makefile

@@ -10,7 +10,7 @@ MAN=	acd.1 anm.1 ar.1 ash.1 asize.1 at.1 banner.1 basename.1 \
 	fsck.1 head.1 host.1 hostaddr.1 ifdef.1 \
 	install.1 isodir.1 isoinfo.1 isoread.1 join.1 kill.1 \
 	last.1 leave.1 loadfont.1 loadkeys.1 logger.1 login.1 \
-	look.1 lp.1 ls.1 lspci.1 M.1 mail.1 make.1 makewhatis.1 \
+	look.1 lp.1 ls.1 lspci.1 M.1 mail.1 makewhatis.1 \
 	man.1 mdb.1 mesg.1 mixer.1 mkdep.1 mkdir.1 mkfifo.1 mkfs.1 \
 	mkproto.1 modem.1 mount.1 mt.1 nice.1 nm.1 nohup.1 od.1 \
 	ossinfo.1 ossmix.1 ossplay.1 ossrecord.1 osstest.1 passwd.1 \