Michael Baugh wrote:

The only thing that should go into the sewer line is sewage.
The sewage has been verified as only going in one of the pipes.
Yes, they are likely stubbed off downspout connections. Need
to be gone.
Do you see it some other way?

Yeah, I see he needs to be da... certain he knows what he's cutting
off before just doing so. Suggesting to "just eliminate" them w/o
having a clue of what they are is just irresponsible imo. (Which was
Edwin's point, too, obviously).