- Remove enable_symbol_extraction option and tree-sitter requirement from conanfile.py.
- Remove YAMS_DISABLE_SYMBOL_EXTRACTION toggles from setup.ps1, setup.sh, and ubuntu.Dockerfile.
- Add v39_metadata_db_template helper to MetadataDbTemplate for legacy symbol tests.
- Update GraphComponent, DeleteCascade, GraphContextService, and KGStore test
fixtures to run symbol-specific test cases against schema v39.
Signed-off-by: trvon <me@trevon.dev>