libgloss: remove unused patch file

* it was removed from SRC_URI in:
  https://git.openembedded.org/openembedded-core/commit/?id=1c9cbb27dfe37ca4574c4285fb03ce394dee5ed1



Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit c78439a8)
Signed-off-by: Steve Sakoman <steve@sakoman.com>