I deleted it bitches!
Now it's back up...no harm no foul.
I think the real worry would be that someone would show up there and start chipping!
There are some projects in the middle of the wall there that might tempt some people.
I have no claim to the area...I didn't discover it, or help develop it, but the people who told me about it asked me to keep it quiet, so out of respect for them, that's what I do.