[patch/rfc] Delete floatformat_arm_ext

[Andrew Cagney]

> The single format wasn't sufficient for a program trying to correctly 
>> manipulate both big and little endian Arm floating points - hence the 
>> two new formats.
> 
> 
> Is it safe to say that the code you're removing never actually worked,
> then?  If so, then there shouldn't be any legacy code relying on it,
> right?

Er, actually, the code I ``fixed'' didn't use it either!  The format was 
added '95 but I've had no luck finding anything that used it.

enjoy,
Andrew