Show how long this program has been used

src/main/java/games/rednblack/editor/view/ui/dialog/AboutDialog.java

@@ -16,7 +16,6 @@ import games.rednblack.h2d.common.H2DDialog;
 
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.InputStream;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
@@ -52,7 +51,6 @@ public class AboutDialog extends H2DDialog {
         leftTable.add("Total Time").padTop(20).row();
         leftTable.add(totalTimeSpent).row();
 
-
         contentTable.add("Copyright \u00A9 2020 Red & Black Games").left().row();
         contentTable.add("").row();
         contentTable.add("Dedicated to game lovers. Create something awesome!").left().row();