revert include time in imported posts

in favor of library side generation to support zip files

account_import.go

@@ -9,7 +9,6 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"time"
 
 	"github.com/hashicorp/go-multierror"
 	"github.com/writeas/impart"
@@ -110,12 +109,10 @@ func handleImport(app *App, u *User, w http.ResponseWriter, r *http.Request) err
 			}
 		}
 		coll.hostName = app.cfg.App.Host
-		created := info.ModTime().Truncate(time.Second).UTC().Format("2006-01-02T15:04:05Z")
 		submittedPost := SubmittedPost{
 			Title:   &post.Title,
 			Content: &post.Content,
 			Font:    "norm",
-			Created: &created,
 		}
 		rp, err := app.db.CreatePost(u.ID, coll.ID, &submittedPost)
 		if err != nil {