Updated git submodules

Project: releng/builder master 6d972c65656c9a4f3c1f79797990ce6d934e350a

Merge "Revert "Strengthen distribution-check""

Revert "Strengthen distribution-check"

This reverts commit 6914bb13060c60cf65d51f58775e2f39959c99ed.

The new distribution-check is failing.
Until the exact cause is identified and fixed,
we should use the previous job so projects can make progress.

Change-Id: I874c9834fb6cd93d1e00b46d2aa7213c68a44fda
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index 6254b511d289a0429e64a2527e9eebdfdec19b75..6d972c65656c9a4f3c1f79797990ce6d934e350a 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit 6254b511d289a0429e64a2527e9eebdfdec19b75
+Subproject commit 6d972c65656c9a4f3c1f79797990ce6d934e350a