* Merge r551099 from trunk:

  mod_proxy_balancer: Remove the broken attempt to change balancer
  params on-the-fly via the admin manager.

Submitted by: jfclere
Reviewed by: jim, rpluem, trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@601272 13f79535-47bb-0310-9956-ffa450edef68