remove unused

Author: iritkatriel

Include/object.h

@@ -348,8 +348,6 @@ typedef int (*objobjproc)(PyObject *, PyObject *);
 typedef int (*visitproc)(PyObject *, void *);
 typedef int (*traverseproc)(PyObject *, visitproc, void *);
 
-struct _PyBinaryOpSpecializationDescr;
-typedef int (*binopspecfunc)(PyObject *lhs, PyObject *rhs, int oparg, struct _PyBinaryOpSpecializationDescr* descr);
 
 typedef void (*freefunc)(void *);
 typedef void (*destructor)(PyObject *);