Drop what a send carried from the node row (migration 0109) and read an image list from the compositions (release 6, issue 1945 B8)

internal/inventory/unseen.go

@@ -136,22 +136,3 @@ func (i *Inventory) layerNode(ctx context.Context, nodeName string) (*string, er
 	}
 	return &n.ID, nil
 }
-
-// RecordSentSummary keeps what a machine was last sent, summarised (migration 0078): read only to
-// compare what would be sent with it, never as what the machine should be.
-func (i *Inventory) RecordSentSummary(ctx context.Context, node string, summary []byte) error {
-	_, err := i.store.Pool().Exec(ctx, `update node set sent_summary = $2 where id = $1`, node, summary)
-	return err
-}
-
-// SentSummary is what a machine was last sent, summarised, by its name; empty for a machine sent
-// nothing since the summary was first kept.
-func (i *Inventory) SentSummary(ctx context.Context, name string) ([]byte, error) {
-	var raw []byte
-	err := i.store.Pool().QueryRow(ctx,
-		`select sent_summary from node where name = $1`, name).Scan(&raw)
-	if errors.Is(err, pgx.ErrNoRows) {
-		return nil, nil
-	}
-	return raw, err
-}