[chore]: Bump golang.org/x/oauth2 from 0.18.0 to 0.19.0 (#2816)

Bumps [golang.org/x/oauth2](https://github.com/golang/oauth2) from 0.18.0 to 0.19.0.
- [Commits](https://github.com/golang/oauth2/compare/v0.18.0...v0.19.0)

---
updated-dependencies:
- dependency-name: golang.org/x/oauth2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1 files changed, 0 insertions, 70 deletions

diff --git a/vendor/google.golang.org/appengine/internal/main_vm.go b/vendor/google.golang.org/appengine/internal/main_vm.go
deleted file mode 100644
index 86a8caf06..000000000
--- a/vendor/google.golang.org/appengine/internal/main_vm.go
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright 2011 Google Inc. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
-
-//go:build !appengine
-// +build !appengine
-
-package internal
-
-import (
-	"io"
-	"log"
-	"net/http"
-	"net/url"
-	"os"
-	"path/filepath"
-	"runtime"
-)
-
-func Main() {
-	MainPath = filepath.Dir(findMainPath())
-	installHealthChecker(http.DefaultServeMux)
-
-	port := "8080"
-	if s := os.Getenv("PORT"); s != "" {
-		port = s
-	}
-
-	host := ""
-	if IsDevAppServer() {
-		host = "127.0.0.1"
-	}
-	if err := http.ListenAndServe(host+":"+port, Middleware(http.DefaultServeMux)); err != nil {
-		log.Fatalf("http.ListenAndServe: %v", err)
-	}
-}
-
-// Find the path to package main by looking at the root Caller.
-func findMainPath() string {
-	pc := make([]uintptr, 100)
-	n := runtime.Callers(2, pc)
-	frames := runtime.CallersFrames(pc[:n])
-	for {
-		frame, more := frames.Next()
-		// Tests won't have package main, instead they have testing.tRunner
-		if frame.Function == "main.main" || frame.Function == "testing.tRunner" {
-			return frame.File
-		}
-		if !more {
-			break
-		}
-	}
-	return ""
-}
-
-func installHealthChecker(mux *http.ServeMux) {
-	// If no health check handler has been installed by this point, add a trivial one.
-	const healthPath = "/_ah/health"
-	hreq := &http.Request{
-		Method: "GET",
-		URL: &url.URL{
-			Path: healthPath,
-		},
-	}
-	if _, pat := mux.Handler(hreq); pat != healthPath {
-		mux.HandleFunc(healthPath, func(w http.ResponseWriter, r *http.Request) {
-			io.WriteString(w, "ok")
-		})
-	}
-}