Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 2fe0c87c49bab2c409a7c57c62b680816be96b12
  - Update test for deleting communication service

    Issue-ID: SO-2368

    Signed-off-by: zm330 <zhangminyj@chinamobile.com>
    Change-Id: Ib762da956041cab73082cdd355d59c3cf6dd29ee

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a66c2e4..2fe0c87 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a66c2e4aa0742e368393317bdbad48377d82113d
+Subproject commit 2fe0c87c49bab2c409a7c57c62b680816be96b12