Remove no longer needed private member.

Change-Id: I98d31eb4db4a3be477b55ffee2c9d4cdb593adeb
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/internal/ui/EventSpyPart.java b/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/internal/ui/EventSpyPart.java
index 6b88779..671151e 100644
--- a/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/internal/ui/EventSpyPart.java
+++ b/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/internal/ui/EventSpyPart.java
@@ -40,7 +40,6 @@
 import org.eclipse.swt.widgets.Composite;
 
 public class EventSpyPart implements EventMonitor.NewEventListener {
-	private final static String DIALOG_TITLE = "Event spy dialog";
 
 	private final static String[] SHOW_FILTER_LINK_TEXT = new String[] { "Show filters", "Hide filters" };