Android: Remove more dead code

Change-Id: Ibaabebb99bd4b92a429c1114b7a0bf4689aa5610
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/qmakeandroidsupport/createandroidmanifestwizard.cpp

@@ -51,7 +51,6 @@
 #include <QVBoxLayout>
 
 using namespace Android;
-using namespace QmakeAndroidSupport;
 using namespace QmakeAndroidSupport::Internal;
 
 using QmakeProjectManager::QmakeProject;