Remove unnecessary dispose calls on Color

It is not necessary anymore to call dispose on Colors since Bug 563018.


Change-Id: I10889d1f766e40416052c9d95265a3a58baf0704
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/ui/MessageLine.java b/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/ui/MessageLine.java
index 6156495..f44338a 100644
--- a/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/ui/MessageLine.java
+++ b/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/ui/MessageLine.java
@@ -115,7 +115,6 @@
 		} else {
 			if (fErrorColor == null) {
 				fErrorColor= new Color(getDisplay(), fErrorRGB);
-				addDisposeListener(e -> fErrorColor.dispose());
 			}
 			setForeground(fErrorColor);
 			setText(message);