Remove target_has_stack macro

Remove target_has_stack macro

This removes the target_has_stack object-like macro, replacing it with
the underlying function.

gdb/ChangeLog
2020-09-28  Tom Tromey  <tom@tromey.com>

	* windows-tdep.c (tlb_make_value): Update.
	* tui/tui-regs.c (tui_data_window::show_registers): Update.
	* thread.c (scoped_restore_current_thread::restore)
	(scoped_restore_current_thread::scoped_restore_current_thread)
	(thread_command): Update.
	* stack.c (backtrace_command_1, frame_apply_level_command)
	(frame_apply_all_command, frame_apply_command): Update.
	* infrun.c (siginfo_make_value, restore_infcall_control_state):
	Update.
	* gcore.c (derive_stack_segment): Update.
	* frame.c (get_current_frame, has_stack_frames): Update.
	* auxv.c (info_auxv_command): Update.
	* ada-tasks.c (ada_build_task_list): Update.
	* target.c (target_has_stack): Rename from target_has_stack_1.
	* target.h (target_has_stack): Remove macro.
	(target_has_stack): Rename from target_has_stack_1.