Update git submodules

* Update docs/submodules/joid from branch 'master'
  - removing the public gateway addition code as it was added because
    ealier juju was not supported with multiple network space.

    Change-Id: I9fc3017c90b8ecdf9a6a1563056dad37d995ca0e
    Signed-off-by: Narinder Gupta <narinder.gupta@canonical.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index e4212ab..c7410f2 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit e4212ab9dc23be9d0aa9f2593e20c78aa0e9c2c2
+Subproject commit c7410f20ae678809c9cf91af284f8c07deb4ead9