Remove go version check

Change-Id: I023f3c3ed132940aed21f1e2446c45e7752630b0

hack/check-go-version.sh

@@ -1,25 +0,0 @@
-#!/bin/bash
-
-# Copyright 2018 The Kubernetes 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.
-
-set -euo pipefail
-
-GO_VERSION=($(go version))
-
-if ! echo "${GO_VERSION[2]}" | grep -Eq '1.12'; then
-  echo "Unsupported go version ${GO_VERSION}"
-  return 1
-fi
-

hack/install-verify-tools.sh

@@ -19,7 +19,6 @@ set -o nounset
 set -o pipefail
 
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
-${KUBE_ROOT}/hack/check-go-version.sh
 
 go get -u golang.org/x/lint/golint
 

hack/verify-all.sh

@@ -20,7 +20,6 @@ set -o pipefail
 
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
 source "${KUBE_ROOT}/hack/kube-env.sh"
-${KUBE_ROOT}/hack/check-go-version.sh
 
 SILENT=true
 EXCLUDE=${EXCLUDE:-} # nothing excluded by default