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, 38 deletions

diff --git a/vendor/google.golang.org/grpc/backoff.go b/vendor/google.golang.org/grpc/backoff.go
deleted file mode 100644
index fa31565fd..000000000
--- a/vendor/google.golang.org/grpc/backoff.go
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- *
- * Copyright 2017 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.
- *
- */
-
-// See internal/backoff package for the backoff implementation. This file is
-// kept for the exported types and API backward compatility.
-
-package grpc
-
-import (
-	"time"
-)
-
-// DefaultBackoffConfig uses values specified for backoff in
-// https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md.
-var DefaultBackoffConfig = BackoffConfig{
-	MaxDelay: 120 * time.Second,
-}
-
-// BackoffConfig defines the parameters for the default gRPC backoff strategy.
-type BackoffConfig struct {
-	// MaxDelay is the upper bound of backoff delay.
-	MaxDelay time.Duration
-}