4:40:07contrapunctuskevingal: not sure about Paredit, but Boon has `boon-beginning-of-expression` and `boon-end-of-expression`, which move before the start of the first element and the end of the last element of a list respectively. So I can delete with one of those motions, and the whitespace is also removed.
4:42:21contrapunctuse.g. (a \n |b \n c) -> boon-take-region -> boon-beginning-of-expression -> (|b \n c)
7:46:10splittistkevingal: there is a better way, but what I do in practice is C-k M-space Backspace (I think)