Kill the ROI in the input image to avoid issues with tracking

or exporting to CTC....

Author: tinevez

src/main/java/fiji/plugin/trackmate/helper/ui/HelperLauncherController.java

@@ -8,12 +8,12 @@
  * it under the terms of the GNU General Public License as
  * published by the Free Software Foundation, either version 3 of the
  * License, or (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public
  * License along with this program.  If not, see
  * <http://www.gnu.org/licenses/gpl-3.0.html>.
@@ -81,6 +81,7 @@ public HelperLauncherController()
 				imp.show();
 				units = imp.getCalibration().getUnit();
 			}
+			imp.killRoi(); // Remove ROI to avoid issues with CTC and tracking.
 
 			frame.dispose();
 			final TrackingMetricsType type = ctcSelected