remove machid manual pages, since machid was removed

@@ -644,25 +644,10 @@
 ulimit.1        := LINKSRC = limit.1
 unlimit.1       := LINKSRC = limit.1
 
 dumpkeys.1      := LINKSRC = loadkeys.1
 
-i286.1          := LINKSRC = machid.1
-i386.1          := LINKSRC = machid.1
-i486.1          := LINKSRC = machid.1
-i860.1          := LINKSRC = machid.1
-iAPX286.1       := LINKSRC = machid.1
-pdp11.1         := LINKSRC = machid.1
-sparc.1         := LINKSRC = machid.1
-sun.1           := LINKSRC = machid.1
-u370.1          := LINKSRC = machid.1
-u3b.1           := LINKSRC = machid.1
-u3b15.1         := LINKSRC = machid.1
-u3b2.1          := LINKSRC = machid.1
-u3b5.1          := LINKSRC = machid.1
-vax.1           := LINKSRC = machid.1
-
 rmail.1         := LINKSRC = mail.1
 
 page.1          := LINKSRC = more.1
 
 snca.1          := LINKSRC = nca.1