time.strftime(): replace PyErr_Format() by PyErr_SetString()

The argument was not used in the format string.
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index 86b73a5..c3b51ef 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -476,9 +476,8 @@
 
 #if defined(_MSC_VER) || defined(sun)
     if (buf.tm_year + 1900 < 1 || 9999 < buf.tm_year + 1900) {
-        PyErr_Format(PyExc_ValueError,
-                     "strftime() requires year in [1; 9999]",
-                     buf.tm_year + 1900);
+        PyErr_SetString(PyExc_ValueError,
+                        "strftime() requires year in [1; 9999]");
         return NULL;
     }
 #endif