* Makefile.am: Remove entries for elf32-qnx.[ch].

	* Makefile.am: Remove entries for elf32-qnx.[ch].
	* Makefile.in: Regenerate.
	* config.bfd: Change arm-nto to use bfd_elf32_{big|little}arm_vec,
	ppc-nto to use bfd_elf32_powerpc{le}_vec, sh-nto to use
	bfd_elf32_sh{l}_vec, and i386-nto to use bfd_elf32_i386_vec.
	* configure.in: Remove support for bfd_elf32_sh{l}qnx_vec,
	bfd_elf32_powerpc{le}qnx_vec, bfd_elf32_{big|little}armqnx_vec,
	and bfd_elf32_i386qnx_vec, and removed elf32-qnx.lo from other targets.
	bfd_elf32_sh{l}_vec, and i386-nto to use bfd_elf32_i386_vec.
	* configure: Regenerate.
	* elf32-qnx.c: Remove.
	* elf32-qnx.h: Remove.
	* elf.c: Remove calls to QNX specific set_nonloadable_filepos,
	is_contained_by_filepos, and copy_private_bfd_data_p.
	* elf32-i386.c: Remove QNX extended bfd support.
	* elf32-ppc.c: Remove QNX extended bfd support.
	* elf32-sh.c: Remove QNX extended bfd support.
	* elfarm-nabi.c: Remove QNX extended bfd support.
	* targets.c: Remove qnx vectors.
	* elfxx-target.h (elf_backend_set_nonloadable_filepos): Remove
	(elf_backend_is_contained_by_filepos): Remove.
	(elf_backend_copy_private_bfd_data_p): Remove.
	* po/SRC-POTFILES.in: Regenerate.