CONTRIBUTING.md: Remove link to projects

At https://github.com/openbmc/webui-vue/projects/1 GitHub warns me:
"Projects (classic) will be sunset on August 23, 2024".

I don't see a benefit here GitHub issues can already be filtered.

Change-Id: I3debd3ff7e52bcd408ae0917f52a35539a74a9ef
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4fd56e3..f4027ce 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -120,9 +120,7 @@
 ## Design Reviews
 
 When making changes to an existing design, we create a design review issue in
-GitHub and add it to the Design Reviews
-Project](https://github.com/openbmc/webui-vue/projects/1). We then send an email
-to the community and review the changes in the
+GitHub. We then send an email to the community and review the changes in the
 [OpenBMC GUI Design Workgroup](https://github.com/openbmc/openbmc/wiki/GUI-Design-work-group).
 
 ## Help Wanted