k8s-keystone-auth: Remove handling for glog

This is quite similar but not identical to the earlier removal of glog
handling in client-keystone-auth. As with that utility, we are using
pflag rather than cobra here, but unlike that utility the klog options
are not being registered.

Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

cmd/k8s-keystone-auth/main.go

@@ -15,7 +15,6 @@ limitations under the License.
 package main
 
 import (
-	"flag"
 	"fmt"
 	"os"
 
@@ -29,32 +28,12 @@ import (
 )
 
 func main() {
-	// Glog requires this otherwise it complains.
-	err := flag.CommandLine.Parse(nil)
-	if err != nil {
-		klog.Fatalf("Unable to parse flags: %v", err)
-	}
-
 	var showVersion bool
 	pflag.BoolVar(&showVersion, "version", false, "Show current version and exit")
 
-	// This is a temporary hack to enable proper logging until upstream dependencies
-	// are migrated to fully utilize klog instead of glog.
-	klogFlags := flag.NewFlagSet("klog", flag.ExitOnError)
-	klog.InitFlags(klogFlags)
-
 	logs.AddFlags(pflag.CommandLine)
 	keystone.AddExtraFlags(pflag.CommandLine)
 
-	// Sync the glog and klog flags.
-	flag.CommandLine.VisitAll(func(f1 *flag.Flag) {
-		f2 := klogFlags.Lookup(f1.Name)
-		if f2 != nil {
-			value := f1.Value.String()
-			_ = f2.Value.Set(value)
-		}
-	})
-
 	logs.InitLogs()
 	defer logs.FlushLogs()