Break promise

This quietly removes a promise we didn't fulfill. (:

Author: m-ou-se

posts/2021-05-11-edition-2021.md

@@ -340,9 +340,6 @@ You can expect another announcement about the new edition in July.
 At that point we expect all changes and automatic migrations to be implemented
 and ready for public testing.
 
-We'll be posting some more details about the process and rejected proposals on
-the "Inside Rust" blog soon.
-
 <!--
 If you really can't wait, many features are already available on
 Rust [Nightly](https://doc.rust-lang.org/book/appendix-07-nightly-rust.html)