Update git submodules

* Update docs/submodules/so.git from branch 'dublin'
  to f81419495dcc08ba23c02fb52343e9b2631652cc
  - Merge "Fix DeleteE2EServiceInstance flow" into dublin
  - Fix DeleteE2EServiceInstance flow

    Fixed the issue when subprocess 'DoDeleteE2EServiceInstance' calls 'AAI GenericGetService' sub-process
    which is deleted from SO common-bpmn

    Change-Id: Ie170b430a21df6dc8e7ff95a9d7f2091c11a600b
    Issue-ID: SO-1809
    Signed-off-by: sarada prasad sahoo <sarada.prasad.sahoo@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 5e25344..f814194 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 5e25344cc7f4fca4e3bbb980e11024bf85e89b3b
+Subproject commit f81419495dcc08ba23c02fb52343e9b2631652cc