Rename pinniped-server -> pinniped-concierge

Do we like this? We don't know yet.

Signed-off-by: Andrew Keesler <akeesler@vmware.com>

cmd/pinniped-server/main.go

@@ -1,29 +0,0 @@
-// Copyright 2020 the Pinniped contributors. All Rights Reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-package main
-
-import (
-	"os"
-
-	genericapiserver "k8s.io/apiserver/pkg/server"
-	"k8s.io/client-go/pkg/version"
-	"k8s.io/client-go/rest"
-	"k8s.io/component-base/logs"
-	"k8s.io/klog/v2"
-
-	"go.pinniped.dev/internal/server"
-)
-
-func main() {
-	logs.InitLogs()
-	defer logs.FlushLogs()
-
-	klog.Infof("Running %s at %#v", rest.DefaultKubernetesUserAgent(), version.Get())
-
-	ctx := genericapiserver.SetupSignalContext()
-
-	if err := server.New(ctx, os.Args[1:], os.Stdout, os.Stderr).Run(); err != nil {
-		klog.Fatal(err)
-	}
-}