targets/nine: remove unused static functions
targets/nine: remove unused static functions

Dead code since commit 8f50614910c40366d94964fe2c5da5772aff2f96

Cc: Axel Davy <2b6ef604b998fb81662f85c329e4fc020eae8e5d@ens.fr>
Cc: Tiziano Bacocco <2a82869f7317db18254323fa12ab4a27cc39e639@gmail.com>
Signed-off-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>
Acked-by: Rob Clark <6f78cdb10adbe0a7fbbf4098125a51f401c77a5f@freedesktop.org>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler