Revert "Reduce artifacts TTL to 60 days"

This reverts commit 5e9fa7e07d430006bfbd53dff1d483fe6de1edd2.

Reason for revert: to be re-done

Change-Id: I3d7a4059d90f9916e02767a77fab5675b7df2a8c
diff --git a/jobs/templates/self-deploy-virtulenvs.yaml b/jobs/templates/self-deploy-virtulenvs.yaml
index 8cc4d47..75f6027 100644
--- a/jobs/templates/self-deploy-virtulenvs.yaml
+++ b/jobs/templates/self-deploy-virtulenvs.yaml
@@ -20,8 +20,7 @@
     builders:
       - shell: "chmod +x tcp_tests/templates/_packer/scripts/jenkins_virtualenvs.sh"
       - shell: "export CHANGE_RIGHTS=false ; ./tcp_tests/templates/_packer/scripts/jenkins_virtualenvs.sh"
-    build-discarder:
-      days-to-keep: 365
-      artifact-days-to-keep: 60
+    logrotate:
+      daysToKeep: 365