docs: Remove waffle.io graph from CONTRIBUTING.md

Fixes #2892

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 40bf91ac14e53767931c36733bebe8960be52247..1228d6f0b0a61626349dc5b05fb06632f9af81af 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -5,9 +5,7 @@ organization, tutorials, blog posts, bug reports, issues, feature requests,
 feature implementations, pull requests, answering questions on the forum,
 helping to manage issues, etc.
 
-The Hugo community and maintainers are very active and helpful, and the project benefits greatly from this activity. We created a [step by step guide](https://gohugo.io/tutorials/how-to-contribute-to-hugo/) if you're unfamiliar with GitHub or contributing to open source projects in general.
-
-[![Throughput Graph](https://graphs.waffle.io/spf13/hugo/throughput.svg)](https://waffle.io/spf13/hugo/metrics)
+The Hugo community and maintainers are [very active](https://github.com/spf13/hugo/pulse/monthly) and helpful, and the project benefits greatly from this activity. We created a [step by step guide](https://gohugo.io/tutorials/how-to-contribute-to-hugo/) if you're unfamiliar with GitHub or contributing to open source projects in general.
 
 ## Table of Contents