Remove GCCE-specific def file for libstdcpp.dll - it's not binary compatible with the EABI one anyway (Bug 2971)
using _STLP_NEW_IO_NAMESPACE::strstreambuf;using _STLP_NEW_IO_NAMESPACE::istrstream;using _STLP_NEW_IO_NAMESPACE::ostrstream;using _STLP_NEW_IO_NAMESPACE::strstream;