* indent.c (current_column_bol_cache): Remove leftover which is not
used in Fmove_to_column any more.
(current_column, scan_for_column): Adjust users.
* keyboard.c (last_point_position_buffer, last_point_position_window):
Remove leftovers which are not used for recording undo any more.
(command_loop_1, syms_of_keyboard): Adjust users.
* xdisp.c (last_max_ascent): Remove leftover which is not used in
redisplay_window any more.
(move_it_to): Adjust user.