Update traditional_chinese.txt

Update Translation:
-Correct vocabulary
-STR_CONFIG_SETTING_ALLOW_EXCLUSIVE_HELPTEXT_PERIODS
-STR_GRAPH_X_LABEL_LAST_UNITS
-STR_CONFIG_SETTING_DUAL_PANE_TRAIN_PURCHASE_WINDOW_DUAL_BUTTONS_HELPTEXT
-STR_DEPARTURES_CAPTION_FILTER
-STR_DEPARTURES_DUPLICATE
-STR_DEPARTURES_DUPLICATE_TOOLTIP
-STR_STATION_RATING_TOOLTIP_AT_LEAST_VELOCITY
-STR_SORT_BY_TIMETABLE_TYPE
-STR_DEPARTURES_FILTER_BUTTON
-STR_DEPARTURES_FILTER_TOOLTIP
-STR_VEHICLE_LIST_TIMETABLE_TYPE
-STR_VEHICLE_LIST_TIMETABLE_TYPE_EXTRA_ITEM