chore(ci): dictatorship ahoy! (#1141)

I really don't see the point of reviews right now, as they only slow
down development by _multiple days_ and yet more often than not mistakes
get overlooked.

This will now be lead like Linux is.

.github/CODEOWNERS

@@ -1,7 +1,2 @@
-* @teutonet/k8s
-/charts/base-cluster/ @cwrau @marvinWolff @tasches  @teutonet-bot
-/charts/ckan/ @cwrau @marvinWolff @syeklu @tasches  @teutonet-bot
-/charts/common/ @cwrau @marvinWolff @tasches  @teutonet-bot
-/charts/stellio-context-broker/ @cwrau @ocaner-biz  @teutonet-bot
-/charts/t8s-cluster/ @cwrau @marvinWolff @tasches  @teutonet-bot
-/charts/teuto-portal-k8s-worker/ @cwrau @marvinWolff @tasches  @teutonet-bot
+* @cwrau
+/charts/*/Chart.yaml @cwrau @teutonet-bot