Remove miscellaneous GCC >= 4.7 version conditionals

[Joseph Myers]

On Wed, 4 Nov 2015, Florian Weimer wrote:

> On 11/04/2015 10:39 PM, Joseph Myers wrote:
> > Committed, in the absence of an sh maintainer and given the mechanical 
> > nature of the sh changes (which in any case are just eliminating a macro I 
> > added myself in 
> > <https://sourceware.org/ml/libc-alpha/2011-11/msg00097.html>).
> 
> Was my observation about the ARM part incorrect?

I noted that observation for future consideration of whether a cleanup in 
that area is desirable.

-- 
Joseph S. Myers
joseph@codesourcery.com