message: AVX no longer required for 8-wide simd types
diff: @@ -1032,8 +1032,6 @@ inline auto pack(
  }} );
  }
  -#if VSNRAY_SIMD_ISA_GE(VSNRAY_SIMD_ISA_AVX)
  -
  // pack eight vectors
  template <size_t Dim, typename T>
  @@ -1054,8 +1052,6 @@ inline auto pack(
  }} );
  }
  -#endif // VSNRAY_SIMD_ISA_GE(VSNRAY_SIMD_ISA_AVX)
  -
  // unpack -------------------------------------------------
  template <
  