Remove usage of the doc_auto_cfg feature (#3505)

Author: mladedav

axum-extra/src/lib.rs

@@ -36,7 +36,7 @@
 //!
 //! [`axum`]: https://crates.io/crates/axum
 
-#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![cfg_attr(test, allow(clippy::float_cmp))]
 #![cfg_attr(not(test), warn(clippy::print_stdout, clippy::dbg_macro))]
 

axum/src/lib.rs

@@ -427,7 +427,7 @@
 //! [`axum-core`]: http://crates.io/crates/axum-core
 //! [`State`]: crate::extract::State
 
-#![cfg_attr(docsrs, feature(doc_auto_cfg, doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![cfg_attr(test, allow(clippy::float_cmp))]
 #![cfg_attr(not(test), warn(clippy::print_stdout, clippy::dbg_macro))]