Remove docs.rs doc_auto_cfg feature and just wait until doc cfg stabilized. Fixes #135

Author: VoidStarKat

src/lib.rs

@@ -228,7 +228,6 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![doc(html_root_url = "https://docs.rs/half/2.6.0")]
 #![doc(test(attr(deny(warnings), allow(unused))))]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 // Until updated to use newly stabilized `from_bits`, disable new lint warning about the transmutes
 #![allow(unknown_lints, unnecessary_transmutes)]
 #![warn(unknown_lints)]