Revert "feat: create a Certificate chart for pr deployments (#198)"

[Jorg88]

This reverts commit 30bac4f, reversing changes made to 135846a.

[github-actions]

Package	Line Rate	Health
src.mpyl	85%	➖
src.mpyl.cli	63%	❌
src.mpyl.plan	100%	✔
src.mpyl.projects	73%	❌
src.mpyl.steps	92%	➖
src.mpyl.steps.deploy	80%	➖
src.mpyl.steps.deploy.k8s	95%	➖
src.mpyl.steps.deploy.k8s.resources	98%	➖
src.mpyl.utilities	92%	➖
src.mpyl.utilities.dagster	72%	❌
src.mpyl.utilities.docker	82%	➖
src.mpyl.utilities.helm	100%	✔
src.mpyl.utilities.http_client	85%	➖
src.mpyl.utilities.logging	78%	❌
src.mpyl.utilities.pyaml_env	100%	✔
src.mpyl.utilities.repo	97%	➖
src.mpyl.utilities.subprocess	76%	❌
src.mpyl.utilities.yaml	100%	✔
Summary	86% (1918 / 2237)	➖

Minimum allowed line rate is 79%

[ptab]

We'll put it back soon 💪