fix wrong SET/QUERY flags passed to uno::Reference

By creating deleted methods for the wrong calls.

Avoids the compiler needing to construct a temporary

Change-Id: I3b8c648d6bb22d22827bf74f21ea5a2a17fc0f6a
Reviewed-on: https://gerrit.libreoffice.org/72103
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

cpputools/source/unoexe/unoexe.cxx

@@ -153,7 +153,7 @@ static void createInstance(
         throw RuntimeException( "cannot get service instance \"" + rServiceName + "\"!" );
     }
 
-    rxOut.set( x, UNO_QUERY_THROW );
+    rxOut.set( x.get(), UNO_QUERY_THROW );
 }
 
 /// @throws Exception