Update git submodules

* Update docs/submodules/functest from branch 'stable/danube'
  - Merge "Remove the former results in DB url" into stable/danube
  - Remove the former results in DB url

    It conforms generate_report.py with the previous change [1].

    [1] https://gerrit.opnfv.org/gerrit/#/c/33511/

    Conflicts:
        functest/tests/unit/ci/test_generate_report.py

    Change-Id: I677ebd416f462a591439fc7b637c02d7964e6173
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit a212763c3e9f4cf6d52200aa614e42a911c5dbf7)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 555d754..9a146d8 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 555d7546711b67197c9daeb87e8a0415203b3b88
+Subproject commit 9a146d8b98e19c1aa2f4baec3a540d5eec8e8b34