Update index.xml

input/pagecontent/index.xml

@@ -108,7 +108,7 @@
     The OSIRIS project is mainly financed by the
     <a href="https://www.e-cancer.fr/">INCA</a>
     (Institut National du Cancer, The French National Cancer Institute). The core contributors to the original data model are Institut Curie, Institut Bergonié, the oncology center Léon Bérard, with the contribution of a dozen oncology centre and French hospitals. The current FHIR version of the data model was realized by the same stakeholders in partnership with the start-up
-    <a href="https://arkhn.com/">Arkhn</a>
+    <!-- <a href="https://arkhn.com/">Arkhn</a>-->
     .
   </p>