user(8): Don't create default config file

[Matthew Martin]

There doesn't seem to be any reason for user to write out a config file
with the defaults if none exists. I've never seen anything else in base
do this, so kill it.

- Matthew Martin


Index: user.c
===================================================================
RCS file: /cvs/src/usr.sbin/user/user.c,v
retrieving revision 1.112
diff -u -p -r1.112 user.c
--- user.c      10 Aug 2016 20:30:34 -0000      1.112
+++ user.c      7 Oct 2016 03:21:25 -0000
@@ -742,7 +742,6 @@ setdefaults(user_t *up)
 static void
 read_defaults(user_t *up)
 {
-       struct stat     st;
        size_t          lineno;
        size_t          len;
        FILE            *fp;
@@ -761,13 +760,7 @@ read_defaults(user_t *up)
                err(1, NULL);
        up->u_inactive = DEF_INACTIVE;
        up->u_expire = DEF_EXPIRE;
-       if ((fp = fopen(CONFFILE, "r")) == NULL) {
-               if (stat(CONFFILE, &st) < 0 && !setdefaults(up)) {
-                       warn("can't create `%s' defaults file", CONFFILE);
-               }
-               fp = fopen(CONFFILE, "r");
-       }
-       if (fp != NULL) {
+       if ((fp = fopen(CONFFILE, "r")) != NULL) {
                while ((s = fparseln(fp, &len, &lineno, NULL, 0)) != NULL) {
                        if (strncmp(s, "group", 5) == 0) {
                                for (cp = s + 5 ; isspace((unsigned char)*cp); 
cp++) {