[horde] hiding parts of help

[Chuck Hagenbuch]

Quoting Andrew Morgan <morgan at orst.edu>:

>> Remove the unwanted entries from the help file (for English,
>> locale/en_US/help.xml).
>
> Yeah...  We support pretty much all the languages that Webmail advertises,
> so that quickly turns into a lot of work.
>
> If that is the only way to do it, okay, at least I know now.

At the moment, it is. You could probably hack something into  
services/help/, and it's certainly something to address for the next  
major revision (Horde 4 in all likelihood).

-chuck