Updated git submodules

Project: releng/builder master e83011193b152086e55da73af1da1b73dad1a8ae

Revert "Update CentOS7 images for change 56476"

Gerrit verify jobs are failing, such as
integration-csit-verify-1node-library starting with #2934.

This reverts commit 47bc89f98923695ccd8557b80f9820915ad5bfc5.

Change-Id: Iabbe798eccb1d1c354580f38dde915f3aac6899f
Signed-off-by: Peter Gubka <pgubka@cisco.com>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index 000d55d6fc496d46411567f3a56c488cf076ac86..e83011193b152086e55da73af1da1b73dad1a8ae 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit 000d55d6fc496d46411567f3a56c488cf076ac86
+Subproject commit e83011193b152086e55da73af1da1b73dad1a8ae