Merged Cantus IDs still present in databases

Databases included:

A4M: 1 chant to check

Merge ID: 2666 | 2026-10-24 | Cm | Cantus ID (old -> new): g00534 -> 503007
CI full text: Ecce virgo concipiet et pariet filium et vocabitur nomen ejus Emmanuel
MS Incipit: [Ecce virgo concipiet et pariet filium (https://austriamanus.org/chant/3635 Cantus ID: g00534)