Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 1ad102dc465b2d2e344500cb9666b307eae0d3ef
  - Major Sonar fixes

    Major Sonar fixes in different classes:
    -Removed unnecessary code.
    -Removed unused variables.
    -Removed unnecessary imports.
    -Simplified diamond operators.

    Issue-ID: SO-2102
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>
    Change-Id: I098e3dcd93b804e58220bb41ea15325e820e3a59

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index ab9522a..1ad102d 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit ab9522a55b6cf8dd2137f635b1accef60de34d20
+Subproject commit 1ad102dc465b2d2e344500cb9666b307eae0d3ef