Remove sony newsos3 support

Remove sony newsos3 support

include/
	* aout/host.h: Remove newsos3 support.
bfd/
	* Makefile.am: Remove newsos3 support.
	* aoutx.h: Likewise.
	* config.bfd: Likewise.
	* configure.ac: Likewise.
	* targets.c: Likewise.
	* newsos3.c: Delete.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* po/SRC-POTFILES.in: Regenerate.
binutils/
	* testsuite/binutils-all/copy-2.d: Remove newsos3 support.
	* testsuite/binutils-all/nm.exp: Likewise.
ld/
	* Makefile.am: Remove newsos3 support.
	* configure.tgt: Likewise.
	* emulparams/news.sh: Delete.
	* Makefile.in: Regenerate.
	* po/BLD-POTFILES.in: Regenerate.