remove obsolete cli flags

Signed-off-by: Christian Richter <crichter@owncloud.com>

services/thumbnails/pkg/server/grpc/option.go

@@ -6,7 +6,6 @@ import (
 	"github.com/owncloud/ocis/v2/ocis-pkg/log"
 	"github.com/owncloud/ocis/v2/services/thumbnails/pkg/config"
 	"github.com/owncloud/ocis/v2/services/thumbnails/pkg/metrics"
-	"github.com/urfave/cli/v2"
 	"go.opentelemetry.io/otel/trace"
 )
 
@@ -22,7 +21,6 @@ type Options struct {
 	Config        *config.Config
 	Metrics       *metrics.Metrics
 	Namespace     string
-	Flags         []cli.Flag
 	TraceProvider trace.TracerProvider
 }
 
@@ -86,13 +84,6 @@ func Namespace(val string) Option {
 	}
 }
 
-// Flags provides a function to set the flags option.
-func Flags(flags []cli.Flag) Option {
-	return func(o *Options) {
-		o.Flags = append(o.Flags, flags...)
-	}
-}
-
 // TraceProvider provides a function to set the TraceProvider option
 func TraceProvider(val trace.TracerProvider) Option {
 	return func(o *Options) {

services/thumbnails/pkg/server/grpc/server.go

@@ -29,7 +29,6 @@ func NewService(opts ...Option) grpc.Service {
 		grpc.Version(version.GetString()),
 		grpc.Address(options.Address),
 		grpc.Context(options.Context),
-		grpc.Flags(options.Flags...),
 		grpc.Version(version.GetString()),
 		grpc.TraceProvider(options.TraceProvider),
 	)