New CMake versions warn when support for CMake 3.5 and before is
requested, so since we use a higher CMake minumum, just remove these
version checks in the thridparty code to remove the warnings.
This reverts commits 9d077c9ba5 and
b4938f5198.
They cause a crash-on-startup on Mac ARM machines, failing to get the
locale encoding (nl_langinfo(CODESET) failed).
Ian McInerney
Jeff Young
Alex
Seth Hillbrand