Do not reset window modification event counters excessively.

Do not reset window modification event counters excessively.
These leftovers and poor man's tricky methods to catch extra
redisplay's attention are no longer needed.
* frame.c (set_menu_bar_lines_1):
* minibuf.c (read_minibuf_unwind):
* window.c (Fset_window_start, set_window_buffer, window_resize_apply)
(grow_mini_window, shrink_mini_window, window_scroll_pixel_based)
(window_scroll_line_based, Fset_window_configuration):
* xdisp.c (redisplay_window): Do not reset last_modified and
last_overlay_modified counters.