bpo-45760: Remove PyNumber_InMatrixMultiply (pythonGH-29751)

Author: corona10

Objects/abstract.c

@@ -1248,21 +1248,10 @@ INPLACE_BINOP(PyNumber_InPlaceAnd, nb_inplace_and, nb_and, "&=")
 INPLACE_BINOP(PyNumber_InPlaceLshift, nb_inplace_lshift, nb_lshift, "<<=")
 INPLACE_BINOP(PyNumber_InPlaceRshift, nb_inplace_rshift, nb_rshift, ">>=")
 INPLACE_BINOP(PyNumber_InPlaceSubtract, nb_inplace_subtract, nb_subtract, "-=")
-INPLACE_BINOP(PyNumber_InMatrixMultiply, nb_inplace_matrix_multiply, nb_matrix_multiply, "@=")
-
-PyObject *
-PyNumber_InPlaceFloorDivide(PyObject *v, PyObject *w)
-{
-    return binary_iop(v, w, NB_SLOT(nb_inplace_floor_divide),
-                      NB_SLOT(nb_floor_divide), "//=");
-}
-
-PyObject *
-PyNumber_InPlaceTrueDivide(PyObject *v, PyObject *w)
-{
-    return binary_iop(v, w, NB_SLOT(nb_inplace_true_divide),
-                      NB_SLOT(nb_true_divide), "/=");
-}
+INPLACE_BINOP(PyNumber_InPlaceMatrixMultiply, nb_inplace_matrix_multiply, nb_matrix_multiply, "@=")
+INPLACE_BINOP(PyNumber_InPlaceFloorDivide, nb_inplace_floor_divide, nb_floor_divide, "//=")
+INPLACE_BINOP(PyNumber_InPlaceTrueDivide, nb_inplace_true_divide, nb_true_divide,  "/=")
+INPLACE_BINOP(PyNumber_InPlaceRemainder, nb_inplace_remainder, nb_remainder, "%=")
 
 PyObject *
 PyNumber_InPlaceAdd(PyObject *v, PyObject *w)
@@ -1316,20 +1305,6 @@ PyNumber_InPlaceMultiply(PyObject *v, PyObject *w)
     return result;
 }
 
-PyObject *
-PyNumber_InPlaceMatrixMultiply(PyObject *v, PyObject *w)
-{
-    return binary_iop(v, w, NB_SLOT(nb_inplace_matrix_multiply),
-                      NB_SLOT(nb_matrix_multiply), "@=");
-}
-
-PyObject *
-PyNumber_InPlaceRemainder(PyObject *v, PyObject *w)
-{
-    return binary_iop(v, w, NB_SLOT(nb_inplace_remainder),
-                            NB_SLOT(nb_remainder), "%=");
-}
-
 PyObject *
 PyNumber_InPlacePower(PyObject *v, PyObject *w, PyObject *z)
 {