check_alembic_version done synchronously

[aaazzam]

Make infra.database.check_alembic_version synchronous and rm awaits.

also removes alembic logging configuration

AFAICT a race condition was introduced between alembic and prefect's attempt to acquire a log lock

# Interpret the config file for Python logging.
# This line sets up loggers basically.
# if config.config_file_name is not None:
#     fileConfig(config.config_file_name, disable_existing_loggers=False)