Remove artifact

Author: calixtus

jabgui/src/main/java/org/jabref/gui/util/component/HelpButton.java

@@ -18,7 +18,6 @@
 
 public class HelpButton extends Button {
     private final StringProperty helpUrl = new SimpleStringProperty("");
-    private final StringProperty tooltip = new SimpleStringProperty("");
     private boolean isHelpFileSet = false;
 
     public HelpButton() {