Remove unused translation.

src/main/res/values-da/strings.xml

@@ -561,7 +561,6 @@ limitations under the License.
     <string name="settings_recording_min_sampling_interval_title">Tidsinterval mellem samplinger</string>
     <string name="settings_night_mode_option_day_dynamic">Dag (DynamicColor)</string>
     <string name="voiceSpeedKilometersPerHourPlural">{n, plural, =1 {1 kilometer i timen} other {{n,number,#.0} kilometre i timen} }</string>
-    <string name="empty">tom</string>
     <string name="settings_chart_display_elevation_title">Vis højde</string>
     <string name="settings_chart_display_pace_or_speed_title">Vis tempo eller hastighed</string>
     <string name="settings_chart_display_heart_rate_title">Vis puls</string>

src/main/res/values-it/strings.xml

@@ -603,7 +603,6 @@ Infatti, un\'applicazione deve supportare <i>ACTION_VIEW</i> con MIME <i>applica
     <string name="voiceSpeed">{n, plural, =1 {1} other {{n,number,#.0}} }</string>
     <string name="voiceDistance">{n, plural, =1 {1 } other {{n,number,#.0}} }</string>
     <string name="lap_heart_rate">Frequenza cardiaca del giro</string>
-    <string name="empty">vuoto</string>
     <string name="settings_recording_show_gps_disabled_warning_summary">Durante la registrazione, mostra un avviso se il GPS è disabilitato.</string>
     <string name="settings_night_mode_option_day_dynamic">Giorno (colore dinamico)</string>
     <string name="track_edit_time_offset">Compensazione fuso orario</string>