libsndfile1: remove redundant autoconf seeding
Twelve years ago libsndfile was badly detecting large file handling and
generating bad code[1]. The detection code in libsndfile has had many fixes
since then and this isn't needed anymore (verified by comparing config.h when
built for qemuarm).
[1] https://git.openembedded.org/openembedded/commit/?id=
875cfc6f23ae68c6215bf32eb01a486f0387cb92
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
