Withdraw logwtmp.c from time zone distribution?

[Paul Eggert]

"Olson, Arthur David (NIH/NCI) [E]" <olsona at dc37a.nci.nih.gov> writes:

> Well then: are there any systems out there today that need the time zone
> package's version of logwtmp.c?

Doesn't Solaris need logwtmp.c?  It doesn't have a logwtmp function in
libc.a.