libreplace: remove now unused USE_COPY_FILE_RANGE define
The only user was removed in the previous commit. We still need the preceeding
checks however, based on that replace.c provides a copy_file_range() fallback.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14795
RN: copy_file_range() may fail with EOPNOTSUPP
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Aug 13 11:45:17 UTC 2021 on sn-devel-184