in tests which use new C API.

Replaced by script, a few scripts manually fixed.
Remove unused comments (e.g. "testing foo syscall" in foo01.c).
Respect previous v2 only GPL version in inotify04.c.

Acked-by: Cyril Hrubis <chrubis@suse.cz>
Signed-off-by: Petr Vorel <pvorel@suse.cz>