Dear colleague, glad to see your feedback.
Indeed, I've removed many "landuse" and "natural" tags in this changeset.
The aim was to simplify futute map edits. I plan to proceed work in this area (Tskaltubo) and I'll mark landuse and natural areas again in correct way.
You see, there is one OSM editor, yusufmert, which really do big job, but he used wrong style of mapping.
You can see his edits in many, many places, I noticed his work in Tbilisi, Kutaisi, Batumi, and so on.
Unfortunately, he used great number of tiny "landuse" and "natural" objects, and those objects form a real puzzle.
Borders of those objects mask highways and those highways become hidden from direct edits.
I talked to him recently, and I asked to avoid wrong style, but I don't know if he accept my advice.