TST: Broken link in io.ascii.basic.Rdb #11112

Description

https://compbio.soe.ucsc.edu/rdb/ gives me Forbidden: You don't have permission to access /rdb/ on this server.

@taldcroft , do you know who to contact if the breakage is unintentional? If not, can we remove or replace this URL? Thanks!