Expose Injector to the rest of the world

core/src/main/java/hudson/PluginManager.java

@@ -282,8 +282,6 @@ public abstract class PluginManager extends AbstractModelObject {
                     Jenkins.getInstance().lookup.set(PluginInstanceStore.class,new PluginInstanceStore());
                     TaskGraphBuilder g = new TaskGraphBuilder();
 
-                    Jenkins.getInstance().lookup.set(Injector.class,Guice.createInjector());
-
                     // schedule execution of loading plugins
                     for (final PluginWrapper p : activePlugins.toArray(new PluginWrapper[activePlugins.size()])) {
                         g.followedBy().notFatal().attains(PLUGINS_PREPARED).add("Loading plugin " + p.getShortName(), new Executable() {