rpm spec file: Remove corrupted %changelog entry:

error: bad date in %changelog: See http://www.apache.org/dist/httpd/CHANGES_2.2


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1101065 13f79535-47bb-0310-9956-ffa450edef68