some scripts still access the Biosample PostgreSQL database

[turbomam]

The Biosample DuckDB is preferred now

• ./external_metadata_awareness/count_biosample_context_vals_from_postgres.py
  • count-biosample-context-vals-from-postgres
    • local/ncbi-biosamples-context-value-counts.csv in Makefiles/ncbi_schema.Makefile
• ./external_metadata_awareness/sql_to_tsv.py
  • sql-to-tsv
    • local/ncbi-biosamples-packages-counts.tsv in Makefiles/ncbi_metadata.Makefile
    • local/soil-water-env-broad-scale.tsv in Makefiles/env_broad_scale.Makefile
• ./external_metadata_awareness/load_tsv_into_postgres.py
  • load-tsv-into-postgres
    • detected-annotations-to-postgres in Makefiles/env_broad_scale.Makefile