Remove all tile-related code (PMTiles, MVT, VMT)

[jathavaan]

Summary

Vector tile benchmarking (PMTiles vs WMS-style MVT) is no longer part of the experiment suite. Remove all tile-related code, services, CI workflows, Docker artifacts, and documentation references.

Scope

Files to delete

• src/application/contracts/tile_service_interface.py
• src/application/contracts/tile_api_service_interface.py
• src/application/contracts/mvt_service_interface.py
• src/infra/infrastructure/services/tile_service.py
• src/infra/infrastructure/services/tile_api_service.py
• src/infra/infrastructure/services/mvt_service.py
• src/presentation/endpoints/tile_server.py (+ endpoints/ directory)
• .docker/Api.Dockerfile
• .github/workflows/publish-api.yml

Files to edit

• DI wiring: containers.py, app_config.py, contract/service __init__.py
• Config: src/config.py (VMT URL, PMTiles/MVT paths, vector tile constants)
• Enums: benchmark_iteration.py (VECTOR_TILE_*), storage_container.py (TILES)
• Bytes service: remove convert_pmtiles_to_bytes from interface + impl
• docker-compose.yml: remove vmt-api-server service
• pull-request-tests.yml: remove build-api-image job and api change detection
• requirements.txt: remove pmtiles, fastapi, starlette, uvicorn, mercantile
• README.md, CLAUDE.md: remove tile/VMT mentions
• setup_benchmarking_framework.py: remove _create_pmtiles, _create_mvt, _generate_tiles_file