Add `go mod` support (#2503)

* Remove vendor and go-dep

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Add go.mod

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Update Makefile and .travis.yml

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

1 files changed, 0 insertions, 37 deletions

diff --git a/vendor/google.golang.org/grpc/envconfig.go b/vendor/google.golang.org/grpc/envconfig.go
deleted file mode 100644
index d50178e51..000000000
--- a/vendor/google.golang.org/grpc/envconfig.go
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- *
- * Copyright 2018 gRPC 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 grpc
-
-import (
-	"os"
-	"strings"
-)
-
-const (
-	envConfigPrefix        = "GRPC_GO_"
-	envConfigStickinessStr = envConfigPrefix + "STICKINESS"
-)
-
-var (
-	envConfigStickinessOn bool
-)
-
-func init() {
-	envConfigStickinessOn = strings.EqualFold(os.Getenv(envConfigStickinessStr), "on")
-}