testsuite: Remove obsolete comments [PR108898]

On Tue, Mar 21, 2023 at 12:35:19PM +0000, Andrew Stubbs wrote:
> >   /* Ensure the the in-branch simd clones are used on targets that support them.
> >      Some targets use another call for the epilogue loops.  */
> > -/* { dg-final { scan-tree-dump-times {[\n\r] [^\n]* = foo\.simdclone} 2 "vect" { target { ! aarch64*-*-* } } } } */
> > -/* { dg-final { scan-tree-dump-times {[\n\r] [^\n]* = foo\.simdclone} 3 "vect" { target aarch64*-*-* } } } */
> > +/* { dg-final { scan-tree-dump-times {[\n\r] [^\n]* = foo\.simdclone} 2 "vect" } } */
>
> I suppose those comments are now obsolete.

Oops, fixed thusly.

2023-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR testsuite/108898
	* gcc.dg/vect/vect-simd-clone-16.c: Remove parts of comment mentioning
	epilogue loops.
	* gcc.dg/vect/vect-simd-clone-17.c: Likewise.
	* gcc.dg/vect/vect-simd-clone-18.c: Likewise.