Revert "icetray - suppress dodgy gcc warning"

This reverts commit a43ef2dc606bd08a549224eb8aacc63e1631643a.

icetray/public/icetray/python/boost_serializable_pickle_suite.hpp

@@ -77,16 +77,7 @@ struct boost_serializable_pickle_suite : boost::python::pickle_suite
 {
     static boost::python::tuple getstate(boost::python::object element_obj)
     {
-
-// as of gcc 14.1 -Wdangling-reference (included in -Wall) is still being
-// ironed out. kick that can down the road.
-#if __GNUC__ == 13 || \
-        (__GNUC__ == 14 && __GNUC_MINOR__ < 2)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdangling-reference"
         const T &element = boost::python::extract<const T &>(element_obj)();
-#pragma GCC diagnostic pop
-#endif
 
         // serialize the object into a buffer
         std::vector<char> blobBuffer;