Remove PGTK_DEBUG stuff

Remove PGTK_DEBUG stuff

* src/gtkutil.c:
(xg_create_frame_widgets):
(xg_create_frame_outer_widgets):
(x_wm_set_size_hint):
(xg_set_toolkit_scroll_bar_thumb):
* src/pgtkfns.c (x_set_background_color):
(pgtk_set_name):
(x_explicitly_set_name):
(pgtk_implicitly_set_name):
(x_set_title):
(Fx_create_frame):
(Fpgtk_set_mouse_absolute_pixel_position):
(pgtk_log):
(pgtk_backtrace):
* src/pgtkselect.c (get_func):
(clear_func):
(pgtk_selection_lost):
(Fpgtk_own_selection_internal):
(Fpgtk_disown_selection_internal):
(Fpgtk_selection_exists_p):
(Fpgtk_selection_owner_p):
(nxatoms_of_pgtkselect):
(syms_of_pgtkselect):
* src/pgtkterm.c (flip_cr_context):
(get_keysym_name):
(frame_set_mouse_pixel_position):
(x_free_frame_resources):
(x_destroy_window):
(x_set_offset):
(pgtk_set_window_size):
(pgtk_iconify_frame):
(pgtk_make_frame_visible):
(pgtk_make_frame_invisible):
(pgtk_new_font):
(x_display_pixel_height):
(x_display_pixel_width):
(x_set_no_focus_on_map):
(x_set_no_accept_focus):
(x_set_z_group):
(x_set_cursor_gc):
(x_set_glyph_string_gc):
(x_set_glyph_string_clipping):
(x_draw_glyph_string_background):
(pgtk_draw_glyph_string):
(pgtk_after_update_window_line):
(pgtk_clear_frame_area):
(pgtk_draw_window_cursor):
(pgtk_copy_bits):
(pgtk_cr_draw_image):
(pgtk_draw_fringe_bitmap):
(pgtk_redraw_scroll_bars):
(pgtk_clear_frame):
(pgtk_read_socket):
(pgtk_select):
(xg_scroll_callback):
(xg_end_scroll_callback):
(pgtk_set_vertical_scroll_bar):
(set_fullscreen_state):
(pgtk_fullscreen_hook):
(pgtk_handle_event):
(pgtk_fill_rectangle):
(pgtk_clear_under_internal_border):
(print_widget_tree_recursive):
(print_widget_tree):
(pgtk_handle_draw):
(size_allocate):
(key_press_event):
(key_release_event):
(map_event):
(delete_event):
(enter_notify_event):
(leave_notify_event):
(focus_in_event):
(focus_out_event):
(motion_notify_event):
(button_event):
(scroll_event):
(drag_data_received):
(pgtk_xlfd_to_fontname):
(pgtk_defined_color):
(pgtk_parse_color):
(pgtk_query_colors):
(pgtk_query_color):
(pgtk_clear_area):
(pgtk_cr_update_surface_desired_size):
(pgtk_begin_cr_clip):
(pgtk_end_cr_clip):
(pgtk_set_cr_source_with_gc_foreground):
(pgtk_set_cr_source_with_gc_background):
(pgtk_set_cr_source_with_color):
(pgtk_cr_draw_frame):
(pgtk_cr_destroy_frame_context):
* src/pgtkterm.h: