Remove obsolete tooling note from CONTRIBUTING.md

stuartmorgan-g · web-flow · commit b61d1c269e5a · 2021-09-07T13:05:55.000-07:00
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -34,6 +34,3 @@ information on using pull requests.
 - Dart code should follow the
   [Dart style guide](https://www.dartlang.org/guides/language/effective-dart/style)
   and use `dartfmt`.
-- Build scripts and other tooling should be written in Dart. (Some existing
-  scripts are `bash` or `.bat` scripts; if you need to make non-trivial changes
-  to one of those scripts, please convert it to Dart first if possible.)
