message: guix: Remove README development environment section
diff: @@ -82,17 +82,6 @@ export PATH="${HOME}/.config/guix/current/bin${PATH:+:}$PATH"
  ## Usage
  -### As a Development Environment
  -
  -For a Bitcoin Core depends development environment, simply invoke
  -
  -```sh
  -guix environment --manifest=contrib/guix/manifest.scm
  -```
  -
  -And you'll land back in your shell with all the build dependencies required for
  -a `depends` build injected into your environment.
  -
  ### As a Tool for Deterministic Builds
  From the top of a clean Bitcoin Core repository:
  