Remove .isoxml charset config which is not used in the PR64339 test.


git-svn-id: https://svn.apache.org/repos/asf/httpd/test/framework/trunk@1916763 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/t/conf/extra.conf.in b/t/conf/extra.conf.in
index dc2c2c7..2719985 100644
--- a/t/conf/extra.conf.in
+++ b/t/conf/extra.conf.in
@@ -1525,7 +1525,6 @@
              AddType application/notreallyxml notxml
              AddType application/xml xml
              AddType text/html isohtml
-             AddCharset ISO-8859-1 .isoxml
              AddCharset ISO-8859-1 .isohtml
              AddCharset UTF-8 .xml
              AddCharset UTF-8 .fooxml