Ensure all mpm's configure at config3

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@771997 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/server/mpm/event/config5.m4 b/server/mpm/event/config3.m4
similarity index 100%
rename from server/mpm/event/config5.m4
rename to server/mpm/event/config3.m4

diff --git a/server/mpm/worker/config5.m4 b/server/mpm/worker/config3.m4
similarity index 100%
rename from server/mpm/worker/config5.m4
rename to server/mpm/worker/config3.m4