Remove docker-compose-ha.yml for now

Because it doesn't work after the recent removal of
the --bootstrap option.
Specifically, there's no alternative of "--bootstrap read"
as of writing this.

docker-compose-ha.yml

@@ -1,55 +0,0 @@
-version: '3'
-services:
-  etcd:
-    image: quay.io/coreos/etcd
-    command: /usr/local/bin/etcd -name etcd --data-dir /data --listen-client-urls http://0.0.0.0:2379 --advertise-client-urls http://etcd:2379
-    volumes:
-    - etcd:/data
-    ports:
-    - 2379:2379
-
-  server:
-    image: rancher/k3s:v0.8.1
-    command: server --disable-agent --bootstrap write
-    environment:
-    - K3S_STORAGE_BACKEND=etcd3
-    - K3S_STORAGE_ENDPOINT=etcd:2379
-    - K3S_CLUSTER_SECRET=somethingtotallyrandom
-    - K3S_KUBECONFIG_OUTPUT=/output/kubeconfig.yaml
-    - K3S_KUBECONFIG_MODE=666
-    volumes:
-    - k3s-server:/var/lib/rancher/k3s
-    # This is just so that we get the kubeconfig file out
-    - .:/output
-    ports:
-    - 6443:6443
-
-  server2:
-    image: rancher/k3s:v0.8.1
-    command: server --disable-agent --bootstrap read
-    # restart to wait for the bootstrap data prepared by the primary server
-    restart: always
-    environment:
-    - K3S_STORAGE_BACKEND=etcd3
-    - K3S_STORAGE_ENDPOINT=etcd:2379
-    volumes:
-    - k3s-server2:/var/lib/rancher/k3s
-    ports:
-    - 16443:6443
-
-  node:
-    image: rancher/k3s:v0.8.1
-    tmpfs:
-    - /run
-    - /var/run
-    privileged: true
-    environment:
-    - K3S_URL=https://server:6443
-    - K3S_CLUSTER_SECRET=somethingtotallyrandom
-    # Can also use K3S_TOKEN from /var/lib/rancher/k3s/server/node-token instead of K3S_CLUSTER_SECRET
-    #- K3S_TOKEN=K13849a67fc385fd3c0fa6133a8649d9e717b0258b3b09c87ffc33dae362c12d8c0::node:2e373dca319a0525745fd8b3d8120d9c
-
-volumes:
-  k3s-server: {}
-  k3s-server2: {}
-  etcd: {}