Remove powerpc PE support

Remove powerpc PE support

Plus some leftover powerpc lynxos support.

bfd/
	* coff-ppc.c: Delete.
	* pe-ppc.c: Delete.
	* pei-ppc.c: Delete.
	* Makefile.am (BFD32_BACKENDS, BFD32_BACKENDS_CFILES): Remove PE PPC.
	* coffcode.h (coff_set_arch_mach_hook, coff_set_flags): Remove
	PPCMAGIC code.
	(coff_write_object_contents): Remove PPC_PE code.
	* config.bfd: Move powerpcle-pe to removed targets.
	* configure.ac: Remove powerpc PE entries.
	* libcoff-in.h (ppc_allocate_toc_section): Delete.
	(ppc_process_before_allocation): Delete.
	* peXXigen.c: Remove POWERPC_LE_PE code and comments.
	* targets.c: Remove powerpc PE vectors.
	* po/SRC-POTFILES.in: Regenerate.
	* libcoff.h: Regenerate.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
binutils/
	* dlltool.c: Remove powerpc PE support and comments.
	* configure.ac: Remove powerpc PE dlltool config.
	* configure: Regenerate.
gas/
	* config/obj-coff.h: Remove TE_PE support.
	* config/tc-ppc.c: Likewise.
	* config/tc-ppc.h: Likewise.
	* configure.tgt: Remove powerpc PE and powerpc lynxos.
	* testsuite/gas/cfi/cfi.exp (cfi-common-6): Remove powerpc PE
	condition.
	* testsuite/gas/macros/macros.exp: Don't xfail powerpc PE.
include/
	* coff/powerpc.h: Delete.
ld/
	* emulparams/ppcpe.sh: Delete.
	* scripttempl/ppcpe.sc: Delete.
	* emulparams/ppclynx.sh: Delete.
	* Makefile.am (ALL_EMULATION_SOURCES): Remove ppc PE and lynxos.
	* configure.tgt: Likewise.
	* emultempl/beos.em: Remove powerpc PE support.
	* emultempl/pe.em: Likewise.
	* po/BLD-POTFILES.in: Regenerate.
	* Makefile.in: Regenerate.