remove httpd reference found by Jesse

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@380844 13f79535-47bb-0310-9956-ffa450edef68

doap_Ant.rdf

@@ -12,7 +12,7 @@
          xmlns="http://usefulinc.com/ns/doap#" 
          xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
          xmlns:asfext="http://projects.apache.org/ns/asfext#">
-  <Project rdf:about="http://httpd.apache.org/">
+  <Project rdf:about="http://ant.apache.org/">
     <created>2006-02-17</created>
     <license rdf:resource="http://usefulinc.com/doap/licenses/asl20" />
     <name>Apache Ant</name>