fix math.factorial documentation

Author: mkaraev

Doc/library/math.rst

@@ -144,8 +144,7 @@ Number-theoretic functions
 
 .. function:: factorial(n)
 
-   Return *n* factorial as an integer.  Raises :exc:`TypeError` if *n* is not integral or
-   is negative.
+   Return *n* factorial as an integer.
 
    .. versionchanged:: 3.10
       Floats with integral values (like ``5.0``) are no longer accepted.

Modules/clinic/mathmodule.c.h

@@ -2009,12 +2009,11 @@ math.factorial
 
 Find n!.
 
-Raise a ValueError if x is negative or non-integral.
 [clinic start generated code]*/
 
 static PyObject *
 math_factorial(PyObject *module, PyObject *arg)
-/*[clinic end generated code: output=6686f26fae00e9ca input=713fb771677e8c31]*/
+/*[clinic end generated code: output=6686f26fae00e9ca input=06200bf38384f7ae]*/
 {
     long x, two_valuation;
     int overflow;