test-convert-cvs: change TZ=US/Hawaii to TZ=Pacific/Johnston
The former was limited to be known on Linux and the test failed on FreeBSD
and Solaris platforms. The newer is known on Linux, FreeBSD and Solaris.
https://bz.mercurial-scm.org/1089
$ hg init
$ mkdir a
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b
$ hg ci -m m a
$ mkdir a b
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b
$ cd b
Relative delete:
$ hg ci -m m ../a
$ cd ..