Bug 327925 Deprecate EPartService's deactivate(MPart) method
It has been marked as @noreference for some time. Now that part activation history has been implemented and the hidePart(*) methods have been altered to take care of this, the deactivate(MPart) method should be removed.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
assertNotNull(partStackB.getSelectedElement());
		assertEquals(placeholderB, partStackB.getSelectedElement());
	}
	public void testShowPart_Bug322403_C() {
		MApplication application = ApplicationFactoryImpl.eINSTANCE
				.createApplication();
		MWindow window = BasicFactoryImpl.eINSTANCE.createWindow();
		application.getChildren().add(window);
		application.setSelectedElement(window);
		MPerspectiveStack perspectiveStack = AdvancedFactoryImpl.eINSTANCE
				.createPerspectiveStack();
		window.getChildren().add(perspectiveStack);
		window.setSelectedElement(perspectiveStack);
		MPerspective perspective = AdvancedFactoryImpl.eINSTANCE
				.createPerspective();
		perspectiveStack.getChildren().add(perspective);
		perspectiveStack.setSelectedElement(perspective);
		MPartStack partStackA = BasicFactoryImpl.eINSTANCE.createPartStack();
		perspective.getChildren().add(partStackA);
		perspective.setSelectedElement(partStackA);
		MPlaceholder placeholderA = AdvancedFactoryImpl.eINSTANCE
				.createPlaceholder();
		partStackA.getChildren().add(placeholderA);
		partStackA.setSelectedElement(placeholderA);
		MPart partA = BasicFactoryImpl.eINSTANCE.createPart();
		window.getSharedElements().add(partA);
		partA.setCurSharedRef(placeholderA);
		placeholderA.setRef(partA);
		MPartStack partStackB = BasicFactoryImpl.eINSTANCE.createPartStack();
		perspective.getChildren().add(partStackB);