Remove make_cleanup_ui_out_table_begin_end

Remove make_cleanup_ui_out_table_begin_end

This changes the few remaining uses of
make_cleanup_ui_out_table_begin_end to use ui_out_emit_table instead,
and then removes the cleanup.

ChangeLog
2017-09-09  Tom Tromey  <tom@tromey.com>

	* ui-out.h (make_cleanup_ui_out_table_begin_end): Remove.
	(class ui_out_emit_table): Update comment.
	* ui-out.c (do_cleanup_table_end)
	(make_cleanup_ui_out_table_begin_end): Remove.
	* spu-tdep.c (info_spu_mailbox_list): Use ui_out_emit_table.
	(info_spu_dma_cmdlist): Likewise.
	* probe.c (info_probes_for_ops): Use ui_out_emit_table.
	* darwin-nat-info.c (darwin_debug_regions_recurse): Use
	ui_out_emit_table.