* objfiles.c (struct objfile_data): Delete member cleanup and replace

	* objfiles.c (struct objfile_data): Delete member cleanup and replace
	with save, free.
	(register_objfile_data_with_cleanup): Delete arg cleanup and replace
	with save, free.  All callers updated.
	(clear_objfile_data): Replace cleanup loop with separate save and
	free loops.
	* objfiles.h (register_objfile_data_with_cleanup): Update.
	* arm-tdep.c (arm_objfile_data_free): Renamed from
	arm_objfile_data_cleanup, all callers updated.
	* dwarf2read.c (dwarf2_per_objfile_free): Renamed from
	dwarf2_per_objfile_cleanup, all callers updated.
	* python/py-objfile.c (py_free_objfile): Renamed from clean_up_objfile,
	all callers updated.
	* python/py-type.c (save_objfile_types): Renamed from
	clean_up_objfile_types, all callers updated.