cmd/rmplaysnippet: remove

Replaced with the admin app.

Change-Id: Id0c8ffeee042468512e7c2707f3399ed03f13800
Reviewed-on: https://go-review.googlesource.com/c/build/+/435377
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Jamal Carvalho <jamal@golang.org>
diff --git a/cmd/rmplaysnippet/README.md b/cmd/rmplaysnippet/README.md
deleted file mode 100644
index 43dea13..0000000
--- a/cmd/rmplaysnippet/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- Auto-generated by x/build/update-readmes.go -->
-
-[![Go Reference](https://pkg.go.dev/badge/golang.org/x/build/cmd/rmplaysnippet.svg)](https://pkg.go.dev/golang.org/x/build/cmd/rmplaysnippet)
-
-# golang.org/x/build/cmd/rmplaysnippet
-
-The rmplaysnippet binary removes a code snippet from play.golang.org given its URL or ID.
diff --git a/cmd/rmplaysnippet/main.go b/cmd/rmplaysnippet/main.go
deleted file mode 100644
index 8e250a9..0000000
--- a/cmd/rmplaysnippet/main.go
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2018 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.
-
-// The rmplaysnippet binary removes a code snippet from play.golang.org given its URL
-// or ID. It will always connect to the production datastore instance, ignoring any
-// local value of DATASTORE_EMULATOR_HOST.
-package main
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"strings"
-	"time"
-
-	"cloud.google.com/go/datastore"
-	"golang.org/x/build/buildenv"
-)
-
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: %s {http(s)://play.golang.org/p/<id> | <id>}\n", os.Args[0])
-}
-
-func main() {
-	if len(os.Args) != 2 {
-		usage()
-		os.Exit(2)
-	}
-
-	snippetID := os.Args[1]
-	prefixes := []string{
-		"https://play.golang.org/p/",
-		"http://play.golang.org/p/",
-		"https://go.dev/play/p/",
-		"http://go.dev/play/p/",
-	}
-	for _, p := range prefixes {
-		if strings.HasPrefix(os.Args[1], p) {
-			snippetID = strings.TrimPrefix(os.Args[1], p)
-			break
-		}
-	}
-	if snippetID == "" {
-		usage()
-		os.Exit(2)
-	}
-	if strings.Contains(snippetID, "/") {
-		usage()
-		fmt.Fprintf(os.Stderr, "Invalid Snippet ID %q (contains slash)\n", snippetID)
-		os.Exit(2)
-	}
-
-	fmt.Printf("Really delete Snippet with ID %q? [y,N]: ", snippetID)
-	var confirm string
-	fmt.Scanln(&confirm)
-	if !strings.HasPrefix(strings.ToLower(confirm), "y") {
-		fmt.Printf("Aborting ...\n")
-		os.Exit(0)
-	}
-
-	buildenv.CheckUserCredentials()
-
-	// Don't attempt to connect to a locally-running datastore instance.
-	if err := os.Setenv("DATASTORE_EMULATOR_HOST", ""); err != nil {
-		fmt.Fprintf(os.Stderr, "Failed to clear env var DATASTORE_EMULATOR_HOST: %v\n", err)
-		os.Exit(1)
-	}
-	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
-	defer cancel()
-	client, err := datastore.NewClient(ctx, "golang-org")
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Failed to create Datastore client: %v\n", err)
-		os.Exit(1)
-	}
-	k := datastore.NameKey("Snippet", snippetID, nil)
-	if client.Get(ctx, k, new(struct{})) == datastore.ErrNoSuchEntity {
-		fmt.Fprintf(os.Stderr, "Snippet with ID %q does not exist\n", snippetID)
-		os.Exit(0)
-	}
-	fmt.Printf("Deleting snippet %q ...\n", snippetID)
-	if err := client.Delete(ctx, k); err != nil {
-		fmt.Fprintf(os.Stderr, "Unable to delete Snippet with ID %q: %v\n", snippetID, err)
-		fmt.Fprintf(os.Stderr, "rmplaysnippet requires Application Default Credentials.\n")
-		fmt.Fprintf(os.Stderr, "Did you run `gcloud auth application-default login`?\n")
-		os.Exit(1)
-	}
-	fmt.Printf("Snippet with ID %q deleted\n", snippetID)
-}