Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to f31a44c0846c9faa49c6004e3172d1e32e7659ec
  - Merge "Remove version reference for logging-analytics"
  - Remove version reference for logging-analytics

    Manage logging-analytics dependency via dependencyManagement

    Issue-ID: SO-2807
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I37ede45b684435791146cd450d783377afa9c89f

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a64fee1..f31a44c 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a64fee1535d19bd350c2cc518098f58f3450ea5a
+Subproject commit f31a44c0846c9faa49c6004e3172d1e32e7659ec