Merge pull request #1833 from kubernetes-sigs/AverageMarcus-patch-2

Remove RHEL7 and Ubuntu 20.04 from readme

Author: k8s-ci-robot

README.md

@@ -32,12 +32,10 @@ The table below shows the currently provided operating systems for each provider
 | Oracle Linux 9    | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | Photon 4          | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | Photon 5          | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | 💙 | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| RHEL 7            | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | RHEL 8            | ✅ | ✅ | ❌ | 💙 | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ |
 | RHEL 9            | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ |
 | Rocky Linux 8     | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ |
 | Rocky Linux 9     | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ | 💙 | ❌ | ✅ | ✅ | ❌ | ✅ | ❌ |
-| Ubuntu 20.04      | ✅ | 💙 | ✅ | ❌ | ✅ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | 💙 | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ |
 | Ubuntu 22.04      | ✅ | 💙 | ✅ | 💙 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | 💙 | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | Ubuntu 24.04      | ✅ | 💙 | ✅ | 💙 | ✅ | ❌ | ✅ | ✅ | ❌ | ✅ | ✅ | 💙 | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ |
 | Windows 2019      | ✅ | 💙 | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |