Remove unused manifest file

build/master-manifest.yaml

-version: v1beta1
-
-# For now the apiserver, controller, etcd and registry are all in one pod
-# when we move to v1beta2 for the manifest API, we should move them to separate
-# pods
-id: master-pod
-containers:
-  - name: registry
-    image: google/docker-registry
-    ports:
-      - name: registry
-        hostPort: 5000
-        containerPort: 5000
-    env:
-      - key: GCS_BUCKET
-        value: kubernetes-releases-f8e0c
-      - key: STORAGE_PATH
-        value: docker-reg/
-  - name: etcd
-    image: coreos/etcd
-    ports:
-      - name: etcd
-        hostPort: 4001
-        containerPort: 4001
-    volumeMounts:
-      - name: etcddata
-        path: /mnt/etcd
-    command: ["/opt/etcd/bin/etcd", "-data-dir", "/mnt/etcd"]
-  - name: master
-    image: localhost:5000/kubernetes-apiserver
-    ports:
-      - name: server
-        hostPort: 8080
-        containerPort: 8080
-    env:
-      - key: KUBE_MINIONS
-        value: cloudvm
-      - key: ETCD_SERVERS
-        value: http://127.0.0.1:4001
-  - name: controller-manager
-    image: localhost:5000/kubernetes-controller-manager
-    env:
-      - key: ETCD_SERVERS
-        value: http://127.0.0.1:4001
-      - key: API_SERVER
-        value: 127.0.0.1:8090
-
-volumes:
-  - name: etcddata