hack: remove integration-cli-on-swarm

integration-on-swarm had unnecessary complexity and was too hard to
maintain. Also, it didn't support the new non-CLI integration test suite.

I'm now doing some experiments out of the repo using Kubernetes:
https://github.com/AkihiroSuda/kube-moby-integration

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

.dockerignore

@@ -3,5 +3,4 @@ bundles
 vendor/pkg
 .go-pkg-cache
 .git
-hack/integration-cli-on-swarm/integration-cli-on-swarm
 

.github/CODEOWNERS

@@ -12,6 +12,5 @@ daemon/graphdriver/overlay2/**          @dmcgowan
 daemon/graphdriver/windows/**           @johnstep @jhowardmsft
 daemon/logger/awslogs/**                @samuelkarp  
 hack/**                                 @tianon
-hack/integration-cli-on-swarm/**        @AkihiroSuda
 plugin/**                               @cpuguy83
 project/**                              @thaJeztah

.gitignore

@@ -19,6 +19,5 @@ contrib/builder/rpm/*/changelog
 dockerversion/version_autogen.go
 dockerversion/version_autogen_unix.go
 vendor/pkg/
-hack/integration-cli-on-swarm/integration-cli-on-swarm
 coverage.txt
 profile.out

Makefile

@@ -105,9 +105,6 @@ export BUILD_APT_MIRROR
 
 SWAGGER_DOCS_PORT ?= 9000
 
-INTEGRATION_CLI_MASTER_IMAGE := $(if $(INTEGRATION_CLI_MASTER_IMAGE), $(INTEGRATION_CLI_MASTER_IMAGE), integration-cli-master)
-INTEGRATION_CLI_WORKER_IMAGE := $(if $(INTEGRATION_CLI_WORKER_IMAGE), $(INTEGRATION_CLI_WORKER_IMAGE), integration-cli-worker)
-
 define \n
 
 
@@ -212,18 +209,3 @@ swagger-docs: ## preview the API documentation
 		-e 'REDOC_OPTIONS=hide-hostname="true" lazy-rendering' \
 		-p $(SWAGGER_DOCS_PORT):80 \
 		bfirsh/redoc:1.6.2
-
-build-integration-cli-on-swarm: build ## build images and binary for running integration-cli on Swarm in parallel
-	@echo "Building hack/integration-cli-on-swarm (if build fails, please refer to hack/integration-cli-on-swarm/README.md)"
-	go build -buildmode=pie -o ./hack/integration-cli-on-swarm/integration-cli-on-swarm ./hack/integration-cli-on-swarm/host
-	@echo "Building $(INTEGRATION_CLI_MASTER_IMAGE)"
-	docker build -t $(INTEGRATION_CLI_MASTER_IMAGE) hack/integration-cli-on-swarm/agent
-	@echo "Building $(INTEGRATION_CLI_WORKER_IMAGE) from $(DOCKER_IMAGE)"
-	$(eval tmp := integration-cli-worker-tmp)
-# We mount pkgcache, but not bundle (bundle needs to be baked into the image)
-# For avoiding bakings DOCKER_GRAPHDRIVER and so on to image, we cannot use $(DOCKER_ENVS) here
-	docker run -t -d --name $(tmp) -e DOCKER_GITCOMMIT -e BUILDFLAGS --privileged $(DOCKER_IMAGE) top
-	docker exec $(tmp) hack/make.sh build-integration-test-binary dynbinary
-	docker exec $(tmp) go build -buildmode=pie -o /worker github.com/docker/docker/hack/integration-cli-on-swarm/agent/worker
-	docker commit -c 'ENTRYPOINT ["/worker"]' $(tmp) $(INTEGRATION_CLI_WORKER_IMAGE)
-	docker rm -f $(tmp)