Remove compiler warning when using ARM NEON
It's tested, and works as well as the other SIMD implementations as far
as the test suite is concerned.
@@ -1048,7 +1048,6 @@ typedef int graphene_simd4i_t __attribute__((vector_size (16)));
#elif !defined(__GI_SCANNER__) && defined(GRAPHENE_USE_ARM_NEON)
/* ARM Neon implementation of SIMD4f */
-# warning "The ARM Neon implementation of graphene_simd4f_t is experimental."
/* Union type used for single lane reading without memcpy */
typedef union {
