Remove unclear sentence in mod_remoteip doc

This sentence has been discussed in the docs@
mailing list since it wasn't super clear for
some people. I propose to just remove it,
the rest of the content is already clear in
my opinion.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1794142 13f79535-47bb-0310-9956-ffa450edef68