Delete X10 code.

Delete X10 code.

(struct x_display_info): New fields bitmaps, bitmaps_size, bitmaps_last.
(struct x_bitmap_record): Structure moved here.

(struct font_info): New type.
(struct x_display_info): New fields font_table, font_table_size and n_fonts.

(struct x_display_info): New field scratch_cursor_gc.

(mouse_face_*): New fields.

(struct x_display_info): New field x_id_name.

(struct x_display_info): Replace elements `name'
and `face_list_cache' with one cons cell `name_list_element'.
(x_display_name_list): Variable declared.