Remove unused functions and declarations

gdb/ChangeLog:

	* ui-out.c (_initialize_ui_out): Remove.
	(ui_out_set_flags): Remove.
	(ui_out_clear_flags): Remove.
	* ui-out.h (ui_out_begin_cleanup_end): Remove.
	(ui_out_begin_cleanup_end): Remove.
	(ui_out_set_flags): Remove.
	(ui_out_clear_flags): Remove.
	* mi/mi-out.c (_initialize_mi_out): Remove.
	(mi_out_buffered): Remove.
	* mi/mi-out.h (mi_out_buffered): Remove.
5 files changed