test-remove: drop a useless Windows specific conditional
The Windows branch didn't pick up the 'deleting' progress bar addition from
62e73d42bd14. But since the Windows branch already globbed the error message,
let's just drop the other branch.
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 (glob)
$ 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 (glob)
$ cd b
Relative delete:
$ hg ci -m m ../a
$ cd ..