various i386-aout and i386-coff target removal
    
    Also tidies some other aout leftovers in binutils-common.exp.
    
    bfd/
    	* Makefile.am: Remove support for assorted i386 aout and coff targets.
    	* config.bfd: Likewise.
    	* configure.ac: Likewise.
    	* doc/bfdint.texi: Likewise.
    	* targets.c: Likewise.
    	* freebsd.h: Delete.
    	* i386dynix.c: Delete.
    	* i386freebsd.c: Delete.
    	* i386linux.c: Delete.
    	* i386mach3.c: Delete.
    	* i386netbsd.c: Delete.
    	* i386os9k.c: Delete.
    	* Makefile.in: Regenerate.
    	* configure: Regenerate.
    	* po/SRC-POTFILES.in: Regenerate.
    binutils/
    	* testsuite/lib/binutils-common.exp: Remove support for assorted
    	aout targets.
    gas/
    	* Makefile.am: Remove support for assorted i386 aout and coff targets.
    	* config/obj-elf.c: Likewise.
    	* config/tc-i386.h: Likewise.
    	* configure.ac: Likewise.
    	* configure.tgt: Likewise.
    	* config/te-dynix.h: Delete.
    	* config/te-i386aix.h: Delete.
    	* config/te-mach.h: Delete.
    	* Makefile.in: Regenerate.
    	* config.in: Regenerate.
    	* configure: Regenerate.
    	* po/POTFILES.in: Regenerate.
    include/
    	* aout/dynix3.h: Delete.
    ld/
    	* Makefile.am: Remove support for assorted i386 aout and coff targets.
    	* configure.tgt: Likewise.
    	* testsuite/ld-discard/discard.exp: Likewise.
    	* testsuite/ld-elf/binutils.exp: Likewise.
    	* testsuite/ld-elf/tls.exp: Likewise.
    	* testsuite/ld-elf/tls_common.exp: Likewise.
    	* testsuite/ld-elfvers/vers.exp: Likewise.
    	* testsuite/ld-elfvsb/elfvsb.exp: Likewise.
    	* testsuite/ld-elfweak/elfweak.exp: Likewise.
    	* testsuite/ld-gc/abi-note.d: Likewise.
    	* testsuite/ld-gc/pr19167.d: Likewise.
    	* testsuite/ld-gc/pr20022.d: Likewise.
    	* testsuite/ld-gc/start.d: Likewise.
    	* testsuite/ld-gc/stop.d: Likewise.
    	* testsuite/ld-i386/i386.exp: Likewise.
    	* testsuite/ld-ifunc/binutils.exp: Likewise.
    	* testsuite/ld-ifunc/ifunc.exp: Likewise.
    	* testsuite/ld-linkonce/linkonce.exp: Likewise.
    	* testsuite/ld-plugin/lto.exp: Likewise.
    	* testsuite/ld-scripts/empty-address-2a.d: Likewise.
    	* testsuite/ld-scripts/empty-address-2b.d: Likewise.
    	* testsuite/ld-scripts/phdrs2.exp: Likewise.
    	* testsuite/ld-scripts/section-match-1.d: Likewise.
    	* testsuite/ld-shared/shared.exp: Likewise.
    	* testsuite/ld-size/size.exp: Likewise.
    	* testsuite/ld-sparc/sparc.exp: Likewise.
    	* emulparams/i386coff.sh: Delete.
    	* emulparams/i386linux.sh: Delete.
    	* emulparams/i386mach.sh: Delete.
    	* emulparams/i386nbsd.sh: Delete.
    	* emulparams/vsta.sh: Delete.
    	* scripttempl/i386coff.sc: Delete.
    	* Makefile.in: Regenerate.
    	* po/BLD-POTFILES.in: Regenerate.