fix(compiler): Remove the Block/BlockFactory typedefs

Author: jbdeboer

lib/core_dom/view.dart

@@ -59,15 +59,3 @@ class ViewPort {
       ? placeholder
       : insertAfter.nodes[insertAfter.nodes.length - 1];
 }
-
-// TODO remove once everybody is using the new names
-
-class Block extends View {
-  Block(List<dom.Node> nodes)
-      : super(nodes);
-}
-
-class BlockHole extends ViewPort {
-  BlockHole(dom.Node placeholder, NgAnimate animate)
-      : super(placeholder, animate);
-}

lib/core_dom/view_factory.dart

@@ -288,15 +288,3 @@ class ElementProbe {
 
   ElementProbe(this.parent, this.element, this.injector, this.scope);
 }
-
-// TODO remove once everybody is using the new names
-
-class BlockFactory extends WalkingViewFactory {
-  BlockFactory(templateElements, elementBinders, perf, expando)
-      :super(templateElements, elementBinders, perf, expando);
-}
-
-class BoundBlockFactory extends BoundViewFactory {
-  BoundBlockFactory(ViewFactory viewFactory, Injector injector)
-      : super(viewFactory, injector);
-}