modules: readme files regenerated - presence ...

src/modules/presence/README

@@ -757,8 +757,9 @@ modparam("presence", "subs_remove_match", 1)
        deleting the subscription after processing of
        event_route[presence:notify-reply]. If value = 1, it deletes the
        subscription. If xavp_cfg parameter is set but this attribute is
-       not in the avp, the subscription is not deleted. this does apply
-       for code 404 and 481 where subscription is deleted.
+       not in the avp, the subscription is not deleted. this does not
+       apply for codes 404, 481 and 408 (when timeout_rm_subs = 1) where
+       subscription is deleted.
 
    Default value is empty (not set).