fix compilation error

Signed-off-by: r2k1 <yokree@gmail.com>

pkg/cloud/otc/provider.go

@@ -16,7 +16,6 @@ import (
 	"github.com/opencost/opencost/pkg/cloud/models"
 	"github.com/opencost/opencost/pkg/clustercache"
 	"github.com/opencost/opencost/pkg/env"
-	v1 "k8s.io/api/core/v1"
 )
 
 // OTC node pricing attributes