Remove nightly e2e job from controller repo

Signed-off-by: Martin Kravec <[email protected]>

README.md

@@ -2,7 +2,6 @@
 [![Stable](https://img.shields.io/badge/status-stable-brightgreen?style=for-the-badge)](https://github.com/kubewarden/community/blob/main/REPOSITORIES.md#stable)
 [![Artifact HUB](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/kubewarden-controller)](https://artifacthub.io/packages/helm/kubewarden/kubewarden-controller)
 [![OpenSSF Best Practices](https://www.bestpractices.dev/projects/6502/badge)](https://www.bestpractices.dev/projects/6502)
-[![E2E](https://github.com/kubewarden/kubewarden-controller/actions/workflows/e2e-tests.yml/badge.svg)](https://github.com/kubewarden/kubewarden-controller/actions/workflows/e2e-tests.yml)
 [![FOSSA license scan](https://app.fossa.com/api/projects/custom%2B25850%2Fgithub.com%2Fkubewarden%2Fkubewarden-controller.svg?type=shield)](https://app.fossa.com/projects/custom%252B25850%252Fgithub.com%252Fkubewarden%252Fkubewarden-controller?ref=badge_shield)
 [![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/kubewarden/kubewarden-controller/badge)](https://scorecard.dev/viewer/?uri=github.com/kubewarden/kubewarden-controller)
 [![CLOMonitor](https://img.shields.io/endpoint?url=https://clomonitor.io/api/projects/cncf/kubewarden/badge)](https://clomonitor.io/projects/cncf/kubewarden)