hoon: remove comment on batch arm docs above chap
this might actually be undesirable, don't want to leave this as a trap
for somebody in the future thinking we knew it was definitely the right
answer. having batch comments follow the chapter declaration does make a
certain amount of sense, stylistically
==
::
++ whip :: chapter declare
- ::TODO: handle arm batch comments written above chapter declaration
%+ cook
|= [[a=whit b=term c=note] d=(map term hoon)]
^- [whit (pair term (map term hoon))]
