Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to dc58ff4151e8a10364ede31ba25f3a0e49344c20
  - Fix artifact implementation proxy node type

    Removing the operation implementation from proxy
    node type in parent service tosca as it will be
    present in the proxy node template

    Change-Id: Id414d6cdd5f5f4ccb1d7c235fbc8b7cdf1ec4147
    Issue-ID: SDC-2395
    Signed-off-by: ojasdubey <ojas.dubey@amdocs.com>

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index cf070ae..dc58ff4 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit cf070aeaadd055f38dd32a6121c42f6b10a6937b
+Subproject commit dc58ff4151e8a10364ede31ba25f3a0e49344c20