Remove unneeded include.

src/main/lombok/org/leumasjaffe/recipe/view/RecipeFrame.java

@@ -13,7 +13,6 @@ import lombok.experimental.FieldDefaults;
 import javax.swing.JMenuBar;
 import javax.swing.JMenu;
 import javax.swing.JMenuItem;
-import javax.swing.JOptionPane;
 import javax.swing.KeyStroke;
 import java.awt.event.KeyEvent;
 import java.awt.event.WindowEvent;