Remove Bifurcation For GRPC Query Server

Signed-off-by: Mahad Zaryab <mahadzaryab1@gmail.com>

cmd/query/app/server.go

@@ -22,7 +22,6 @@ import (
 	"go.opentelemetry.io/otel/metric/noop"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
-	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/health"
 	"google.golang.org/grpc/health/grpc_health_v1"
 	"google.golang.org/grpc/reflection"
@@ -78,12 +77,7 @@ func NewServer(
 		return nil, errors.New("server with TLS enabled can not use same host ports for gRPC and HTTP.  Use dedicated HTTP and gRPC host ports instead")
 	}
 
-	var grpcServer *grpc.Server
-	if !separatePorts {
-		grpcServer, err = createGRPCServerLegacy(ctx, options, tm)
-	} else {
-		grpcServer, err = createGRPCServerOTEL(ctx, options, tm, telset)
-	}
+	grpcServer, err := createGRPCServer(ctx, options, tm, telset)
 	if err != nil {
 		return nil, err
 	}
@@ -103,45 +97,6 @@ func NewServer(
 	}, nil
 }
 
-func createGRPCServerLegacy(
-	ctx context.Context,
-	options *QueryOptions,
-	tm *tenancy.Manager,
-) (*grpc.Server, error) {
-	var grpcOpts []grpc.ServerOption
-
-	if options.GRPC.TLSSetting != nil {
-		tlsCfg, err := options.GRPC.TLSSetting.LoadTLSConfig(ctx)
-		if err != nil {
-			return nil, err
-		}
-
-		creds := credentials.NewTLS(tlsCfg)
-
-		grpcOpts = append(grpcOpts, grpc.Creds(creds))
-	}
-
-	unaryInterceptors := []grpc.UnaryServerInterceptor{
-		bearertoken.NewUnaryServerInterceptor(),
-	}
-	streamInterceptors := []grpc.StreamServerInterceptor{
-		bearertoken.NewStreamServerInterceptor(),
-	}
-	//nolint:contextcheck
-	if tm.Enabled {
-		unaryInterceptors = append(unaryInterceptors, tenancy.NewGuardingUnaryInterceptor(tm))
-		streamInterceptors = append(streamInterceptors, tenancy.NewGuardingStreamInterceptor(tm))
-	}
-
-	grpcOpts = append(grpcOpts,
-		grpc.ChainUnaryInterceptor(unaryInterceptors...),
-		grpc.ChainStreamInterceptor(streamInterceptors...),
-	)
-
-	server := grpc.NewServer(grpcOpts...)
-	return server, nil
-}
-
 func registerGRPCHandlers(
 	server *grpc.Server,
 	querySvc *querysvc.QueryService,
@@ -165,7 +120,7 @@ func registerGRPCHandlers(
 	grpc_health_v1.RegisterHealthServer(server, healthServer)
 }
 
-func createGRPCServerOTEL(
+func createGRPCServer(
 	ctx context.Context,
 	options *QueryOptions,
 	tm *tenancy.Manager,