fix markdown

Author: pietroalbini

posts/2021-07-29-Rust-1.54.0.md

@@ -5,8 +5,6 @@ author: The Rust Release Team
 release: true
 ---
 
-# Announcing Rust 1.54.0
-
 The Rust team is happy to announce a new version of Rust, 1.54.0. Rust is a programming language empowering everyone
 to build reliable and efficient software.
 
@@ -69,6 +67,7 @@ Therefore, incremental compilation has been re-enabled in this release!
 
 [^1]: The [1.52.1 release notes] contain a more detailed description of these events.
 [^2]: The tracking issue for the issues is [#84970].
+
 [#84970]: https://github.com/rust-lang/rust/issues/84970
 [1.52.1 release notes]: https://blog.rust-lang.org/2021/05/10/Rust-1.52.1.html
 [retros]: https://github.com/rust-lang/compiler-team/issues/435