Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "deploy.sh: Retire simplest scenario fallback"
  - deploy.sh: Retire simplest scenario fallback

    Previously, when a requested scenario was missing, we used to default
    to the simplest scenario.
    Now that we have a critical mass of scenario definitions, retire
    this fallback mechanism.

    Change-Id: I3ba6b04290806ff78b3ec22b90fa054d45602869
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index d081166..883e14e 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit d081166c1cd7698416a7e5cd2ea871b038de35b8
+Subproject commit 883e14e43fef1bd7814bb2954d61159400a8f934