Remove unused string

    <string name="update_period_12hours">12 гадзін</string>

    <string name="update_period_24hours">24 гадзіны</string>

    <string name="pref_title_vibrate">Вібрацыя</string>

    <string name="preference_widget_light_theme">Светлая тэма</string>

    <string name="preference_widget_title_update_period">Інтэрвал абнаўлення</string>

    <string name="preference_title_activity_general">Галоўныя налады</string>

    <string name="preference_title_activity_widget">Налады віджэтаў</string>

    <string name="update_period_12hours">12 Stunden</string>

    <string name="update_period_24hours">24 Stunden</string>

    <string name="pref_title_vibrate">Vibrieren</string>

    <string name="preference_widget_light_theme">Light Theme</string>

    <string name="preference_widget_title_update_period">Aktualisierungsintervall</string>

    <string name="preference_title_activity_general">Allgemeine Einstellungen</string>

    <string name="preference_title_activity_widget">Widget-Einstellungen</string>

    <string name="update_period_12hours">12 horas</string>

    <string name="update_period_24hours">24 horas</string>

    <string name="pref_title_vibrate">Vibrar</string>

    <string name="preference_widget_light_theme">Tema claro</string>

    <string name="preference_widget_title_update_period">Periodo de actualización</string>

    <string name="preference_title_activity_general">Ajustes generales</string>

    <string name="preference_title_activity_widget">Ajustes de widget</string>

    <string name="update_period_12hours">12 ordu</string>

    <string name="update_period_24hours">24 ordu</string>

    <string name="pref_title_vibrate">Dardaratu</string>

    <string name="preference_widget_light_theme">Gai argia</string>

    <string name="preference_widget_title_update_period">Eguneratzeko aldia</string>

    <string name="preference_title_activity_general">Ezarpen orokorrak</string>

    <string name="preference_title_activity_widget">Widgetaren ezarpenak</string>

    <string name="update_period_12hours">12 heures</string>

    <string name="update_period_24hours">24 heures</string>

    <string name="pref_title_vibrate">Vibrer</string>

    <string name="preference_widget_light_theme">Thème clair</string>

    <string name="preference_widget_title_update_period">Période de Mise à jour</string>

    <string name="preference_title_activity_general">Réglages généraux</string>

    <string name="preference_title_activity_widget">Réglages du widget</string>