simplify build 2 (#14)

Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Co-authored-by: Oliver Tale-Yazdi <[email protected]>

Author: pepyakin

proc-macro-warning/README.md

@@ -0,0 +1 @@
+../README.md

proc-macro-warning/src/lib.rs

@@ -3,9 +3,7 @@
  * SPDX-License-Identifier: (GPL-3.0 or Apache-2.0)
  */
 
-// Publishing builds the crate outside of the workspace and leads it to have a different root path:
-#![cfg_attr(feature = "publish", doc = include_str!("../README.md"))]
-#![cfg_attr(not(feature = "publish"), doc = include_str!("../../README.md"))]
+#![doc = include_str!("../README.md")]
 #![deny(unsafe_code)]
 #![deny(missing_docs)]