tests: Remove old pedantic compilation tests
tests: Remove old pedantic compilation tests

These did not work with C++ on FreeBSD 13 anyway, due to
c++98 not working there, which the old pedantic compilation
just assumed was working without testing it in configure.

The new pedantic compilation tests offer a multitude of
language standards including c++98, but only tries building
the pedantic compilation tests for those language standards
for which configure has shown that building programs is
possible at all.

gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2