ProjectExplorer: Remove ITargetPanelFactory

The indirection via a factory is no longer useful, since the
targetsettingspanel is hardcoded for a build and run panel.

Change-Id: I75543f777a4a7df4cadf12667652424056829689
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/projectexplorer/projectwindow.cpp

@@ -31,12 +31,11 @@
 
 #include "doubletabwidget.h"
 #include "panelswidget.h"
-
 #include "kitmanager.h"
 #include "project.h"
 #include "projectexplorer.h"
+#include "iprojectpanelfactory.h"
 #include "session.h"
-#include "iprojectproperties.h"
 #include "target.h"
 
 #include <coreplugin/idocument.h>