Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "Remove samples from repository"
  - Remove samples from repository

    - samples are easily out of date during fast evolution
    - samples will confuse the results when listing templates

    Change-Id: I530e7c234fbb543abeb8c10ca9e9e358525e884b
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 2d55ca2..d65d96d 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 2d55ca2996755ea25012001e499c4ac0dc54b765
+Subproject commit d65d96db734fc1b6da094d2df33284452e74a6db