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
if (((String) element).equals(ABSOLUTE))
					return !fAbsoluteResources.isEmpty();
				return !fFixedResources.isEmpty();
			}
			return false;
		}
		public Object[] getElements(Object parentElement) {
			return getChildren(parentElement);
		}
	}
	void refreshContent() {
		if (fProjectFiles == null) {
			final LinkedListresources = new LinkedList/*
																		 * <IResource
																		 * >
																		 */();
			try {
				fProject.accept(new IResourceVisitor() {
					/**
					 * @throws CoreException
					 */
					public boolean visit(IResource resource)
							throws CoreException {
						if (resource.isLinked() && !resource.isVirtual())
							resources.add(resource);
						return true;
					}
				});
			} catch (CoreException e) {
			}