DolphinQt2/NewPatchDialog: Remove unused <iostream> include

Including <iostream> causes a static constructor to be injected into the
translation unit, even if the everything from the header itself is
unused.

Source/Core/DolphinQt2/Config/NewPatchDialog.cpp

@@ -15,8 +15,6 @@
 #include <QScrollArea>
 #include <QVBoxLayout>
 
-#include <iostream>
-
 NewPatchDialog::NewPatchDialog(QWidget* parent, PatchEngine::Patch& patch)
     : QDialog(parent), m_patch(patch)
 {