remove copy/paste from extfilter concurrency test


git-svn-id: https://svn.apache.org/repos/asf/httpd/test/framework/trunk@1897206 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/t/modules/sed.t b/t/modules/sed.t
index 6ad23b8..10edcd7 100644
--- a/t/modules/sed.t
+++ b/t/modules/sed.t
@@ -5,9 +5,6 @@
 use Apache::TestRequest;
 use Apache::TestUtil;
 
-Apache::TestRequest::user_agent(keep_alive => 1);
-
-
 my @ts = (
    # see t/conf/extra.conf.in
    { url => "/apache/sed/out-foo/foobar.html", content => 'barbar', msg => "sed output filter", code => 200 }