Simplify MI breakpoint setting

[Vladimir Prus]

On Friday 07 August 2009 Tom Tromey wrote:

> >>>>> "Volodya" == Vladimir Prus <vladimir@codesourcery.com> writes:
> 
> Volodya> Further, set_breakpoint appears to be trivial and useless
> Volodya> wrapper over break_command_really. This patch cleans that
> Volodya> up. Are breakpoint.{c,h} changes OK?
> 
> I think the point of this is not to expose all the parameters of
> break_command_really outside of breakpoint.c.

And, progressing recursively, what is the point of not exposing all the
parameters of break_command_really? set_breakpoint is only ever used
in MI code, and MI code does not mind those 3 extra parameters.

- Volodya