Revert r1202255 to restore same behavior as in 2.4:

    disable mod_reqtimeout if not configured

There is some agreement that 2.4's behavior is fine.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1238826 13f79535-47bb-0310-9956-ffa450edef68