Update git submodules

* Update docs/submodules/sdc/sdc-distribution-client.git from branch 'master'
  to 759ea36d4c2f5eb65a6a42eb7c3bff92e28961ee
  - Maven staging plugin removed

    Required by global-jjb

    Change-Id: Ied9434626ff7ae3bf126deaf6f2195b22ca84d41
    Issue-ID: SDC-2444
    Signed-off-by: Tomasz Golabek <tomasz.golabek@nokia.com>

diff --git a/docs/submodules/sdc/sdc-distribution-client.git b/docs/submodules/sdc/sdc-distribution-client.git
index 19c8bdc..759ea36 160000 (submodule)
--- a/docs/submodules/sdc/sdc-distribution-client.git
+++ b/docs/submodules/sdc/sdc-distribution-client.git
@@ -1 +1 @@
-Subproject commit 19c8bdce471587972861d395149564950f0d4a45
+Subproject commit 759ea36d4c2f5eb65a6a42eb7c3bff92e28961ee