Remove dead code (reported by HP compiler).

Can probably be backported if anyone cares.

Objects/stringobject.c

@@ -1952,7 +1952,6 @@ do_argstrip(PyStringObject *self, int striptype, PyObject *args)
 			return res;
 		}
 #endif
-		else {
 		PyErr_Format(PyExc_TypeError,
 #ifdef Py_USING_UNICODE
 			     "%s arg must be None, str or unicode",
@@ -1962,8 +1961,6 @@ do_argstrip(PyStringObject *self, int striptype, PyObject *args)
 			     STRIPNAME(striptype));
 		return NULL;
 	}
-		return do_xstrip(self, striptype, sep);
-	}
 
 	return do_strip(self, striptype);
 }