remove unnecessary helper fn

server/grpcserver.go

@@ -3,20 +3,10 @@ package server
 import (
 	"context"
 
-	"google.golang.org/grpc"
-
 	"github.com/babylonlabs-io/finality-gadget/proto"
 	"github.com/babylonlabs-io/finality-gadget/types"
 )
 
-// RegisterWithGrpcServer registers the rpcServer with the passed root gRPC
-// server.
-func (s *Server) RegisterWithGrpcServer(grpcServer *grpc.Server) error {
-	// Register the main RPC server.
-	proto.RegisterFinalityGadgetServer(grpcServer, s)
-	return nil
-}
-
 // QueryIsBlockBabylonFinalized is an RPC method that returns the finality status of a block by querying the internal db.
 func (s *Server) QueryIsBlockBabylonFinalized(ctx context.Context, req *proto.QueryIsBlockBabylonFinalizedRequest) (*proto.QueryIsBlockFinalizedResponse, error) {
 	isFinalized, err := s.fg.QueryIsBlockBabylonFinalized(&types.Block{

server/server.go

@@ -88,9 +88,7 @@ func (s *Server) startGrpcServer() error {
 	grpcServer := grpc.NewServer()
 	defer grpcServer.Stop()
 
-	if err := s.RegisterWithGrpcServer(grpcServer); err != nil {
-		return fmt.Errorf("failed to register gRPC server: %w", err)
-	}
+	proto.RegisterFinalityGadgetServer(grpcServer, s)
 
 	var wg sync.WaitGroup
 	wg.Add(1)