Remove ctr cri load and update cri-tools to v1.15.0

Signed-off-by: Lantao Liu <lantaol@google.com>

cmd/ctr/builtins_cri_linux.go

@@ -1,25 +0,0 @@
-// +build !no_cri
-
-/*
-   Copyright The containerd Authors.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package main
-
-import "github.com/containerd/cri/cli"
-
-func init() {
-	pluginCmds = append(pluginCmds, cli.Command)
-}

script/setup/install-critools

@@ -21,7 +21,7 @@
 set -eu -o pipefail
 
 go get -u github.com/onsi/ginkgo/ginkgo
-CRITEST_COMMIT=v1.13.0
+CRITEST_COMMIT=v1.15.0
 go get -d github.com/kubernetes-incubator/cri-tools/...
 cd $GOPATH/src/github.com/kubernetes-incubator/cri-tools
 git checkout $CRITEST_COMMIT