Remove ephelper and other endpoints code.

appengine/apigen_examples/dumb_counter/dumbCounter/service.go

-// Copyright 2015 The Chromium 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 dumbCounter
-
-import (
-        "github.com/GoogleCloudPlatform/go-endpoints/endpoints"
-        "github.com/luci/luci-go/appengine/ephelper"
-)
-
-var (
-        // MethodInfoMap is the collection of MethodInfo for the service's endpoints.
-        MethodInfoMap = ephelper.MethodInfoMap{
-                "List":         listMethodInfo,
-                "Add":          addMethodInfo,
-                "CAS":          casMethodInfo,
-                "CurrentValue": currentValueMethodInfo,
-        }
-
-        // ServiceInfo is information about the Example service.
-        ServiceInfo = &endpoints.ServiceInfo{
-                Name:        "dumb_counter",
-                Version:     "v1",
-                Description: "A hideously stupid persistant counter service.",
-        }
-)
-
-// Example is the example service type.
-type Example struct {
-        ephelper.ServiceBase
-}