Adapt to reorganization of Papyrus Oxygen repositories.
diff --git a/content/setup/papyrus-rt-developer.setup b/content/setup/papyrus-rt-developer.setup
index e6082a9..2f2ac69 100644
--- a/content/setup/papyrus-rt-developer.setup
+++ b/content/setup/papyrus-rt-developer.setup
@@ -287,9 +287,7 @@
       <repositoryList
           name="Oxygen">
         <repository
-            url="${base.downloads.url}/modeling/mdt/papyrus/updates/${papyrus.buildtype}/oxygen/main/"/>
-        <repository
-            url="${base.downloads.url}/modeling/mdt/papyrus/updates/${papyrus.buildtype}/oxygen/extra/"/>
+            url="${base.downloads.url}/modeling/mdt/papyrus/updates/${papyrus.buildtype}/oxygen/"/>
         <repository
             url="${base.downloads.url}/tools/cdt/builds/oxygen/milestones/"/>
         <repository