Revert "Bump helm-toolkit to 0.2.78 (#2264)"

This reverts commit 64575871498e7ac3f2c3ce3a223ad1ef69ad1026.

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Related: ATMOSPHERE-630
Change-Id: Icb552eae158a27bb06ea21ebaaf9a9ddb454ebd0
diff --git a/.charts.yml b/.charts.yml
index 486ae04..69b6746 100644
--- a/.charts.yml
+++ b/.charts.yml
@@ -6,7 +6,7 @@
   openstack_helm_dependencies: &openstack_helm_dependencies
     - name: helm-toolkit
       repository: https://tarballs.openstack.org/openstack-helm-infra
-      version: 0.2.78
+      version: 0.2.69
 
 charts:
   - name: barbican