Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 5930a9e5a262c0c84833bcf33b3533e603b28f9c
  - Merge "Remove cleanup-containers test role"
  - Remove cleanup-containers test role

    This removes cleanup-containers test role,
    that is not used by any tests after dind changes.

    Change-Id: I2244257de1faa2b268e9d2f74d286c19de99fab0
    Issue-ID: OOM-1902
    Signed-off-by: Michal Zegan <m.zegan@samsung.com>

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index 16294b1..5930a9e 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit 16294b10526ff85f0701cdfd5a8238fbbbd314f4
+Subproject commit 5930a9e5a262c0c84833bcf33b3533e603b28f9c