build: remove simd_support feature

This is no longer used, now that we default to pulp
for runtime CPU feature detection.

Author: aseyboldt

Cargo.toml

@@ -45,8 +45,3 @@ equator = "0.4.2"
 [[bench]]
 name = "sample"
 harness = false
-
-[features]
-nightly = ["simd_support"]
-
-simd_support = []

src/lib.rs

@@ -1,5 +1,3 @@
-#![cfg_attr(feature = "simd_support", feature(portable_simd))]
-#![cfg_attr(feature = "simd_support", feature(slice_as_chunks))]
 //! Sample from posterior distributions using the No U-turn Sampler (NUTS).
 //! For details see the original [NUTS paper](https://arxiv.org/abs/1111.4246)
 //! and the more recent [introduction](https://arxiv.org/abs/1701.02434).