revert r1023227 as discussed on httpd-dev:

    core: Log a warning if <Limit> or <LimitExcept> are used. They are
    deprecated and may go away in 2.4.
 


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1024337 13f79535-47bb-0310-9956-ffa450edef68