fixed compiler warning: removed unused field
diff --git a/bundles/org.eclipse.core.runtime.compatibility/src-model/org/eclipse/core/internal/model/PluginParser.java b/bundles/org.eclipse.core.runtime.compatibility/src-model/org/eclipse/core/internal/model/PluginParser.java
index 8db75b7..1aed94c 100644
--- a/bundles/org.eclipse.core.runtime.compatibility/src-model/org/eclipse/core/internal/model/PluginParser.java
+++ b/bundles/org.eclipse.core.runtime.compatibility/src-model/org/eclipse/core/internal/model/PluginParser.java
@@ -49,7 +49,7 @@
 	private static final int PLUGIN_EXTENSION_STATE = 6;
 	private static final int RUNTIME_LIBRARY_STATE = 7;
 	private static final int LIBRARY_EXPORT_STATE = 8;
-	private static final int LIBRARY_PACKAGES_STATE = 12;
+//	private static final int LIBRARY_PACKAGES_STATE = 12;
 	private static final int PLUGIN_REQUIRES_IMPORT_STATE = 9;
 	private static final int CONFIGURATION_ELEMENT_STATE = 10;
 	private static final int FRAGMENT_STATE = 11;