Remove who(1) from sbase

It now lives in ubase.

Makefile

@@ -95,7 +95,6 @@ SRC = \
 	sha256sum.c\
 	sha512sum.c\
 	wc.c       \
-	who.c      \
 	xargs.c    \
 	yes.c
 

who.1

@@ -1,28 +0,0 @@
-.TH WHO 1 sbase\-VERSION
-.SH NAME
-who \- print who has logged on
-.SH SYNOPSIS
-.B who 
-.RB [ -m ]
-
-.SH DESCRIPTION
-.B who
-prints a list of who has logged on, their controlling tty, and the
-time at which they logged on.
-.SH OPTIONS
-.TP
-.B \-m
-only show users on current tty
-.TP
-.B \-l
-also print LOGIN processes
-
-.SH BUGS
-.B who
-relies on the utmp file to be updated responsibly. This
-doesn't always happen, which can cause who to print completely
-bogus data.
-
-.SH SEE ALSO
-.IR utmp (5)
-

who.c

@@ -1,63 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <time.h>
-#include <utmp.h>
-#include "util.h"
-
-static void
-usage(void)
-{
-	eprintf("usage: who [-ml]\n");
-}
-
-int
-main(int argc, char **argv)
-{
-	struct utmp usr;
-	FILE *ufp;
-	char timebuf[sizeof "yyyy-mm-dd hh:mm"];
-	char *tty, *ttmp;
-	int mflag = 0, lflag = 0;
-	time_t t;
-
-	ARGBEGIN {
-	case 'm':
-		mflag = 1;
-		tty = ttyname(STDIN_FILENO);
-		if (!tty)
-			eprintf("who: stdin:");
-		if ((ttmp = strrchr(tty, '/')))
-			tty = ttmp+1;
-		break;
-	case 'l':
-		lflag = 1;
-		break;
-	default:
-		usage();
-	} ARGEND;
-
-	if (argc > 0)
-		usage();
-
-	if (!(ufp = fopen("/var/run/utmp", "r")))
-		eprintf("who: '%s':", "/var/run/utmp");
-
-	while(fread(&usr, sizeof(usr), 1, ufp) == 1) {
-		if (!*usr.ut_name || !*usr.ut_line ||
-		    usr.ut_line[0] == '~')
-			continue;
-		if (mflag && strcmp(usr.ut_line, tty))
-			continue;
-		if (strcmp(usr.ut_name, "LOGIN") == lflag)
-			continue;
-		t = usr.ut_time;
-		strftime(timebuf, sizeof timebuf, "%Y-%m-%d %H:%M", localtime(&t));
-		printf("%-8s %-12s %-16s\n", usr.ut_name, usr.ut_line, timebuf);
-	}
-	fclose(ufp);
-	return EXIT_SUCCESS;
-}
-