Removing track_color_mode_none.

The default value for track_color_mode_options is
@string/none, not @string/track_color_mode_none.
See preferences.xml

MyTracks/res/values-es/strings.xml

@@ -522,7 +522,6 @@ limitations under the License.
   <string name="zephyr_bt_sensor_option">Bluetooth Zephyr</string>
 
   <!-- Track Color Modes -->
-  <string name="track_color_mode_none">Ninguno</string>
   <string name="track_color_mode_fixed">Fijo (BETA)</string>
   <string name="track_color_mode_dynamic">Dinámico (BETA)</string>
 </resources>

MyTracks/res/values/arrays_do_not_translate.xml

@@ -120,7 +120,7 @@ limitations under the License.
   </string-array>
   
   <string-array name="track_color_mode_options">
-      <item>@string/track_color_mode_none</item>
+      <item>@string/none</item>
       <item>@string/track_color_mode_fixed</item>
       <item>@string/track_color_mode_dynamic</item>
   </string-array>

MyTracks/res/values/strings.xml

@@ -584,7 +584,6 @@ limitations under the License.
   <string name="zephyr_bt_sensor_option">Zephyr Bluetooth</string>
 
   <!-- Track Color Modes -->
-  <string name="track_color_mode_none">None</string>
   <string name="track_color_mode_fixed">Fixed (BETA)</string>
   <string name="track_color_mode_dynamic">Dynamic (BETA)</string>
 </resources>

MyTracks/src/com/google/android/apps/mytracks/maps/TrackPathPainterFactory.java

@@ -49,7 +49,7 @@ public class TrackPathPainterFactory {
     String colorMode = prefs.getString(context.getString(R.string.track_color_mode_key), null);
     Log.i(TAG, "Creating track path painter of type: " + colorMode);
 
-    if (colorMode == null || colorMode.equals(context.getString(R.string.track_color_mode_none))) {
+    if (colorMode == null || colorMode.equals(context.getString(R.string.none))) {
       return new SingleColorTrackPathPainter(context);
     } else if (colorMode.equals(context.getString(R.string.track_color_mode_fixed))) {
       return new DynamicSpeedTrackPathPainter(context, 

MyTracksTest/src/com/google/android/apps/mytracks/maps/TrackPathPainterFactoryTest.java

@@ -46,7 +46,7 @@ public class TrackPathPainterFactoryTest extends TrackPathPainterTestCase {
       return;
     }
     
-    testTrackPathPainterFactorySpecific(context, prefs, R.string.track_color_mode_none, 
+    testTrackPathPainterFactorySpecific(context, prefs, R.string.none, 
         SingleColorTrackPathPainter.class);
     testTrackPathPainterFactorySpecific(context, prefs, R.string.track_color_mode_fixed, 
         DynamicSpeedTrackPathPainter.class);