[PATCH] Remove unused math files

[Joseph Myers]

On Wed, 22 Aug 2018, Wilco Dijkstra wrote:

> Remove empty files due to the sin/cos improvements k_sinf.c, k_cosf.c,
> k_cos.c, k_sin.c.  After the tanf change s_rem_pio2f.c and k_rem_pio2f.c
> (and their powerpc equivalents) are no longer used, so remove them.
> s_rem_pio2.c was already commented out, so remove it too.

This doesn't look like a complete set of such files to remove.  I'd expect 
the m68k and ia64 versions of e_rem_pio2.c, e_rem_pio2f.c, k_rem_pio2f.c 
to be removed at the same time.

-- 
Joseph S. Myers
joseph@codesourcery.com