Sort out dirstore once and for all

worker/imap/list.go

@@ -17,19 +17,6 @@ func (imapw *IMAPWorker) handleListDirectories(msg *types.ListDirectories) {
 				// no need to pass this to handlers if it can't be opened
 				continue
 			}
-			if len(imapw.config.folders) > 0 {
-				// apply user filter
-				found := false
-				for _, folder := range imapw.config.folders {
-					if folder == mbox.Name || imapw.selected.Name == mbox.Name {
-						found = true
-						break
-					}
-				}
-				if !found {
-					continue
-				}
-			}
 			imapw.worker.PostMessage(&types.Directory{
 				Message:    types.RespondTo(msg),
 				Name:       mbox.Name,