Remove stale k8s configuration (#203)

We no longer maintain or support this.

Author: tdeebswihart

.github/workflows/create-release.yml

@@ -41,7 +41,6 @@ jobs:
         env:
           TAG: ${{ github.event.inputs.tag }}
         run: |
-          find ./k8s -iname "*.yaml" -exec sed -i -E -e "s#temporalio/(auto-setup|admin-tools):[^ ]+#temporalio/\1:$TAG#g" {} \;
           sed -i -e "s/^TEMPORAL_VERSION=.*$/TEMPORAL_VERSION=$TAG/g" .env
           if [ -n "$(git diff --stat)" ]; then
             git add .

KUBERNETES.md

@@ -4,8 +4,6 @@ This repository provides docker-compose files that enable you to run a local ins
 There are a variety of docker-compose files, each utilizing a different set of dependencies.
 Every major or minor release of the Temporal Server has a corresponding docker-compose release.
 
-Alongside the docker compose files you can find Kubernetes manifests suitable for setting up a development version of Temporal in a Kubernetes cluster. These files can be found in [k8s](./k8s) directory, each directory holds the manifests related to one of the docker compose files. Details of using these manifests can be found in [KUBERNETES](./KUBERNETES.md).
-
 ## Prerequisites
 
 To use these files, you must first have the following installed: