Remove cirrus build badge (flutter#45103)

It was showing an error because the engine is not running cirrus tests anymore. [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
mnordine · Aug 25, 2023 · 00f532d · 00f532d
1 parent 998be4e
commit 00f532d
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -1,8 +1,6 @@
 Contributing to the Flutter engine
 ==================================
 
-[![Build Status](https://api.cirrus-ci.com/github/flutter/engine.svg)][build_status]
-
 _See also: [Flutter's code of conduct][code_of_conduct]_
 
 Welcome