[hf] omit subscriber count in INFO response to randos

• we used to show subscriber counts in INFO responses for all users
• we removed this (potentially sensitive) data from responses for subscribers but forgot to omit it for non-subscribed users
• this MR fixes that by also omiting the subscriber count for INFO responses to randos

enabled an automatic merge when the pipeline for 3230e10e succeeds

merged

mentioned in commit 9ffbd520