Fix dbgutil build of pyuno

Whether things actually work when pyuno is built against the debugging
runtime, but the internal Python (to the best of my knowledge) still
against the normal one, I don't know. But anyway, this makes the build
succeed here.

pyuno/inc/pyuno/pyuno.hxx

@@ -6,13 +6,7 @@
 #if defined _MSC_VER
 #pragma warning(push, 1)
 #endif
-#ifdef _DEBUG
-#undef _DEBUG
 #include <Python.h>
-#define _DEBUG
-#else
-#include <Python.h>
-#endif // #ifdef _DEBUG
 #if defined _MSC_VER
 #pragma warning(pop)
 #endif