Fixed imports.

src/test/java/org/orekit/forces/radiation/SolarRadiationPressureTest.java

@@ -17,7 +17,6 @@
 package org.orekit.forces.radiation;
 
 
-import java.io.File;
 import java.io.FileNotFoundException;
 import java.lang.reflect.InvocationTargetException;
 import java.text.ParseException;
@@ -42,9 +41,6 @@ import org.orekit.Utils;
 import org.orekit.attitudes.LofOffset;
 import org.orekit.bodies.CelestialBodyFactory;
 import org.orekit.bodies.OneAxisEllipsoid;
-import org.orekit.data.DataContext;
-import org.orekit.data.DataProvidersManager;
-import org.orekit.data.DirectoryCrawler;
 import org.orekit.errors.OrekitException;
 import org.orekit.forces.AbstractLegacyForceModelTest;
 import org.orekit.forces.BoxAndSolarArraySpacecraft;