gh-108444: Remove _PyLong_AsInt() function (#108461)

* Update Parser/asdl_c.py to regenerate Python/Python-ast.c.
* Remove _PyLong_AsInt() alias to PyLong_AsInt().

Author: vstinner

Include/cpython/longobject.h

@@ -2,9 +2,6 @@
 #  error "this header file must not be included directly"
 #endif
 
-// Alias for backport compatibility
-#define _PyLong_AsInt PyLong_AsInt
-
 PyAPI_FUNC(int) _PyLong_UnsignedShort_Converter(PyObject *, void *);
 PyAPI_FUNC(int) _PyLong_UnsignedInt_Converter(PyObject *, void *);
 PyAPI_FUNC(int) _PyLong_UnsignedLong_Converter(PyObject *, void *);

Parser/asdl_c.py

@@ -1074,7 +1074,7 @@ def visitModule(self, mod):
         return 1;
     }
 
-    i = _PyLong_AsInt(obj);
+    i = PyLong_AsInt(obj);
     if (i == -1 && PyErr_Occurred())
         return 1;
     *out = i;