Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "fuel-deploy.sh: Drop local_env mechanism"
  - fuel-deploy.sh: Drop local_env mechanism

    Now that Fuel supports reading bridge names from IDF / determine
    them based on IP address matching to PDF network, we can drop
    the mechanism for sourcing "local_env".

    Change-Id: Ib9fe0ddb2b54b9c5c037a3451cf049323ae7a864
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 3935025..1484876 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 3935025adda5f426b968304aca9183165935479f
+Subproject commit 14848765ddf548904d552cfb799df5569f7efaf4