remove KOI8 after 5.9 is out

[Jan Stary]

Index: io.c
===================================================================
RCS file: /cvs/src/usr.bin/calendar/io.c,v
retrieving revision 1.44
diff -u -p -r1.44 io.c
--- io.c 31 Aug 2016 09:38:47 -0000 1.44
+++ io.c 14 Oct 2016 07:27:52 -0000
@@ -89,13 +89,9 @@ cal(void)
if (strncmp(buf, "LANG=", 5) == 0) {
(void) setlocale(LC_ALL, buf + 5);
setnnames();
- /* XXX remove KOI8 lines after 5.9 is out */
if (!strcmp(buf + 5, "ru_RU.UTF-8") ||
!strcmp(buf + 5, "uk_UA.UTF-8") ||
- !strcmp(buf + 5, "by_BY.UTF-8") ||
- !strcmp(buf + 5, "ru_RU.KOI8-R") ||
- !strcmp(buf + 5, "uk_UA.KOI8-U") ||
- !strcmp(buf + 5, "by_BY.KOI8-B")) {
+ !strcmp(buf + 5, "by_BY.UTF-8")) {
bodun_maybe++;
bodun = 0;
free(prefix);