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
    
1 file changed