TrackListActivity: removed delete all from action menu.

src/main/java/de/dennisguse/opentracks/TrackListActivity.java

@@ -164,7 +164,7 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
     // Menu items
     private MenuItem searchMenuItem;
     private MenuItem startGpsMenuItem;
-    private MenuItem deleteAllMenuItem;
+//    private MenuItem deleteAllMenuItem;
 
     private final OnClickListener stopListener = new OnClickListener() {
         @Override
@@ -371,7 +371,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
         ActivityUtils.configureSearchWidget(this, searchMenuItem, trackController);
 
         startGpsMenuItem = menu.findItem(R.id.track_list_start_gps);
-        deleteAllMenuItem = menu.findItem(R.id.track_list_delete_all);
 
         return super.onCreateOptionsMenu(menu);
     }
@@ -425,9 +424,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
                 intent = IntentUtils.newIntent(this, MarkerListActivity.class);
                 startActivity(intent);
                 return true;
-            case R.id.track_list_delete_all:
-                deleteTracks(new long[]{-1L});
-                return true;
             case R.id.track_list_settings:
                 intent = IntentUtils.newIntent(this, SettingsActivity.class);
                 startActivity(intent);
@@ -495,9 +491,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
                 startGpsMenuItem.setIcon(isGpsStarted ? R.drawable.ic_gps_fixed_24dp : R.drawable.ic_gps_off_24dp);
             }
         }
-        if (deleteAllMenuItem != null) {
-            deleteAllMenuItem.setVisible(hasTrack && !isRecording);
-        }
     }
 
     /**

src/main/res/menu/track_list.xml

@@ -31,10 +31,6 @@ limitations under the License.
         android:icon="@drawable/ic_marker_show_24dp"
         android:title="@string/menu_markers"
         app:showAsAction="ifRoom" />
-    <item
-        android:id="@+id/track_list_delete_all"
-        android:icon="@drawable/ic_delete_forever_24dp"
-        android:title="@string/menu_delete_all" />
     <item
         android:id="@+id/track_list_settings"
         android:icon="@drawable/ic_settings_24dp"