Since ancient times, tst_QDateTime::fromString_LOCALE_ILDATE() has
claimed to be Windows-only, although there is nothing MS-specific
about it; its name also purports to implicate locale, which it
doesn't. Turn it into two data rows for the more general
fromStringDateFormat() test, with no extra #if-ery about it.
Change-Id: I239c0f80f8f7fa42d498a0f801cc8edfb1db3d8c
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>