Update git submodules

* Update docs/submodules/qtip from branch 'stable/danube'
  - Merge "remove replicated dependencies" into stable/danube
  - remove replicated dependencies

    Change-Id: Ie82153d201a06e7008465a5ea116b389dc1311c6
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>
    (cherry picked from commit 50ab8b586a0564da1e1d029bff65d36464142fce)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index adb0769..fb5b4d2 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit adb0769729fd2558fb41edfc6d3fc84f2b2a9030
+Subproject commit fb5b4d26e6b6719b2d4bf83a3070438984781569