Remove sparc-aout and sparc-coff support

Remove sparc-aout and sparc-coff support

bfd/
	* Makefile.am: Remove sparc-aout and sparc-coff support.
	* config.bfd: Likewise.
	* configure.ac: Likewise.
	* targets.c: Likewise.
	* aout-sparcle.c: Delete.
	* aoutf1.h: Delete.
	* cf-sparclynx.c: Delete.
	* coff-sparc.c: Delete.
	* demo64.c: Delete.
	* sparclinux.c: Delete.
	* sparclynx.c: Delete.
	* sparcnetbsd.c: Delete.
	* sunos.c: Delete.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* po/SRC-POTFILES.in: Regenerate.
binutils/
	* testsuite/lib/binutils-common.exp: Remove sparc-aout and
	sparc-coff support.
gas/
	* Makefile.am: Remove sparc-aout and sparc-coff support.
	* config/obj-coff.h: Likewise.
	* config/tc-sparc.c: Likewise.
	* config/tc-sparc.h: Likewise.
	* configure.tgt: Likewise.
	* config/te-sparcaout.h: Delete.
	* testsuite/gas/sun4/addend.d: Delete.
	* testsuite/gas/sun4/addend.exp: Delete.
	* testsuite/gas/sun4/addend.s: Delete.
	* Makefile.in: Regenerate.
	* po/POTFILES.in: Regenerate.
ld/
	* Makefile.am: Remove sparc-aout and sparc-coff support.
	* configure.tgt: Likewise.
	* testsuite/ld-elfvers/vers.exp: Likewise.
	* testsuite/ld-elfvsb/elfvsb.exp: Likewise.
	* testsuite/ld-elfweak/elfweak.exp: Likewise.
	* testsuite/ld-shared/shared.exp: Likewise.
	* emulparams/coff_sparc.sh: Delete.
	* emulparams/sparcaout.sh: Delete.
	* emulparams/sparclinux.sh: Delete.
	* emulparams/sparcnbsd.sh: Delete.
	* emulparams/sun4.sh: Delete.
	* scripttempl/sparccoff.sc: Delete.
	* Makefile.in: Regenerate.
	* po/BLD-POTFILES.in: Regenerate.