Remove Support Ukraine banner from oomd README

Summary: Remove the Support Ukraine banner badge from the oomd open source project README file.

Reviewed By: CamiWilliams, lnyng

Differential Revision: D96484159

fbshipit-source-id: 3aec9d12dbfc389d7421f66d8ac43f9fbc6fcebc

Author: dmitryvinn-fb

README.md

@@ -1,6 +1,6 @@
 # oomd
 
-[![Support Ukraine](https://img.shields.io/badge/Support-Ukraine-FFD500?style=flat&labelColor=005BBB)](https://opensource.fb.com/support-ukraine) [![CI](https://github.com/facebookincubator/oomd/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/facebookincubator/oomd/actions/workflows/ci.yml)
+[![CI](https://github.com/facebookincubator/oomd/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/facebookincubator/oomd/actions/workflows/ci.yml)
 
 oomd is *userspace* Out-Of-Memory (OOM) killer for linux systems.