1 files changed, 0 insertions, 66 deletions
diff --git a/vendor/golang.org/x/sync/errgroup/errgroup.go b/vendor/golang.org/x/sync/errgroup/errgroup.go
deleted file mode 100644
index 9857fe53d..000000000
--- a/vendor/golang.org/x/sync/errgroup/errgroup.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package errgroup provides synchronization, error propagation, and Context
-// cancelation for groups of goroutines working on subtasks of a common task.
-package errgroup
-
-import (
-	"context"
-	"sync"
-)
-
-// A Group is a collection of goroutines working on subtasks that are part of
-// the same overall task.
-//
-// A zero Group is valid and does not cancel on error.
-type Group struct {
-	cancel func()
-
-	wg sync.WaitGroup
-
-	errOnce sync.Once
-	err     error
-}
-
-// WithContext returns a new Group and an associated Context derived from ctx.
-//
-// The derived Context is canceled the first time a function passed to Go
-// returns a non-nil error or the first time Wait returns, whichever occurs
-// first.
-func WithContext(ctx context.Context) (*Group, context.Context) {
-	ctx, cancel := context.WithCancel(ctx)
-	return &Group{cancel: cancel}, ctx
-}
-
-// Wait blocks until all function calls from the Go method have returned, then
-// returns the first non-nil error (if any) from them.
-func (g *Group) Wait() error {
-	g.wg.Wait()
-	if g.cancel != nil {
-		g.cancel()
-	}
-	return g.err
-}
-
-// Go calls the given function in a new goroutine.
-//
-// The first call to return a non-nil error cancels the group; its error will be
-// returned by Wait.
-func (g *Group) Go(f func() error) {
-	g.wg.Add(1)
-
-	go func() {
-		defer g.wg.Done()
-
-		if err := f(); err != nil {
-			g.errOnce.Do(func() {
-				g.err = err
-				if g.cancel != nil {
-					g.cancel()
-				}
-			})
-		}
-	}()
-}