Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Remove legacy entrypoints

    Change-Id: I38379a6d13eadd1f0455562e5d0be9c7001de7ca
    Signed-off-by: akhilbatra898 <akhil.batra@research.iiit.ac.in>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index cdc0a00..453bc89 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit cdc0a004f912027b2a6d6dad977d25a807a09726
+Subproject commit 453bc89162e4f73975cbdbacaf0bd5c3c48ed63f