Updated git submodules

Project: releng/builder master 6af1faec264fd9d73580bbb1fcf9efd0db84d7e7

Merge "Revert "Install npm on java builder system""

Revert "Install npm on java builder system"

Removing since we do not actually need this and would rather keep the
build system npm / node clean if we can.

This reverts commit 5eae3b1af01960854d2a4740928fc6b7d0735a88.

Change-Id: Ie8be4bb9434b83970acd8dabe4cda1474df5b99e
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index 830530af00fac93c9c5bfbb208d815bf488fea2c..6af1faec264fd9d73580bbb1fcf9efd0db84d7e7 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit 830530af00fac93c9c5bfbb208d815bf488fea2c
+Subproject commit 6af1faec264fd9d73580bbb1fcf9efd0db84d7e7