Updated git submodules

Project: so master 189bc2d2a5038e95286315df6a60748a4accf718

Merge "remove unused methods"

remove unused methods

Change-Id: Ica2d63e4d64f778257deb970b72d3fe858729952
Issue-ID: SO-729
Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a081c91..189bc2d 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a081c91038c6631fedda6c164093f580a91e9607
+Subproject commit 189bc2d2a5038e95286315df6a60748a4accf718