delete_breakpoint: don't try to insert other breakpoints

[Eli Zaretskii]

> From: Vladimir Prus <vladimir@codesourcery.com>
> Date: Fri, 16 Nov 2007 13:34:40 +0300
> Cc: gdb-patches@sources.redhat.com
> 
> > I'm okay with making the code cleaner, but on at a price of removing
> > features, even if they are currently unused.
> 
> Let me clarify

No need, I understood you the first time.

> Why keep unused code in HEAD?

I'm sorry, I already said why I'm opposed to it.  I have nothing
further to add to what I said.