docstr: Add the athena drop-all-tables subparser: manage.py athena drop-all-tables
docstr_tok: ["Add","the","athena","drop-all-tables","subparser",":","manage.py","athena","drop-all-tables"]
code: def _setup_athena_drop_all_subparser(subparsers):
      """Add the athena drop-all-tables subparser: manage.py athena drop-all-tables"""
      generate_subparser(
          subparsers,
          "drop-all-tables",
          description="Drop all tables from an Athena database",
          subcommand=True,
      )
  
imports: from streamalert.shared.firehose import FirehoseClient
  from streamalert.shared.utils import get_database_name, get_data_file_format
  from streamalert.shared.alert import Alert
  from streamalert.shared.athena import AthenaClient
  from streamalert.shared.config import firehose_alerts_bucket, firehose_data_bucket
  from streamalert.shared.logger import get_logger
  from streamalert_cli.athena import helpers
  from streamalert_cli.helpers import continue_prompt, record_to_schema
  from streamalert_cli.utils import CLICommand, generate_subparser, set_parser_epilog, UniqueSortedListAction
label_desc: Use image node_id 4 for calling the AthenaCommand obj's underlying member method code with example usage: obj._setup_athena_drop_all_subparser(subparsers) without return types