Delete helpCase file.  CLI authors can only really override helpCase as used by generated dispatchers directly.  If they really hate my `argcvt.helpCase` for enums then they'll have to re-do both argParse/argHelp for enums (which they can do in some 30 line file somewhere to include between import & dispatch).
Delete helpCase file.  CLI authors can only really override helpCase as used by
generated dispatchers directly.  If they really hate my `argcvt.helpCase` for
enums then they'll have to re-do both argParse/argHelp for enums (which they
can do in some 30 line file somewhere to include between import & dispatch).

c-blake/cligen