Bug 322401 [LinkedResources] Linked Resources properties page should have a Remove button
I20100810-0800 Project properties > Resource > Linked Resources > Linked Resources: Especially for invalid locations, a Remove button would be handy to remove one or multiple links.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/LinkedResourceEditor.java
ITableLabelProvider {
		WorkbenchLabelProvider stockProvider = new WorkbenchLabelProvider();
		public LabelProvider() {
			super();
		}
		public String getColumnText(Object obj, int index) {
			if (obj instanceof IResource) {
				IResource resource = (IResource) obj;
				if (index == NAME_COLUMN)
					return resource.getName();
				else if (index == PATH_COLUMN)
					return resource.getParent()
							.getProjectRelativePath().toPortableString();
				else {
					IPath rawLocation = resource.getRawLocation();
					if (rawLocation != null)
				    	return resource.getPathVariableManager().convertToUserEditableFormat(rawLocation.toOSString(), true);
				}
			} else if ((obj instanceof String) && index == 0)
				return (String) obj;
			return null;
		}
		public Image getColumnImage(Object obj, int index) {