hardcode the error codes to retry
There is no need to have this as an environment variable, and it clutters the code.

Note that the two lists we had (default one and backfill one) were different, by the way
hardcode the error codes to retry: There is no need to have this as an environment variable, and it clutters the code.

Note that the two lists we had (default one and backfill one) were different, by the way