Updated git submodules

Project: appc master 4cebf226f284939d2d3f1e2a9b2727e9401ca3cf

Remove lic header from appc sequence gen json file

The license header in the appc-sequence-generator json files are causing a json syntax error, so I am removing the license header to resolve this issues.

Change-Id: Ieea56a7af19e70788a14d5b05f88089a718a5307
Issue-ID: APPC-995
Signed-off-by: John McClung <jm1364@att.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 97ed985..4cebf22 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 97ed9855d100e78c0dc240dda187ed29ee7f238b
+Subproject commit 4cebf226f284939d2d3f1e2a9b2727e9401ca3cf