Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 519c758ae5e18310ef8e5b20c4d13f04bfa8d8f9
  - Update INFO.yaml

    remove committers with no activity referenced in the repository since 1 year
    https://git.onap.org/integration/stats/?period=q&ofs=-1

    Issue-ID: INT-1349

    Change-Id: I71f309432c47e6d5c89a471edcf593032e45cea8
    Signed-off-by: mrichomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 68d93c2..519c758 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 68d93c2a8cf5417cca2d4f9dafb30f08451ed24f
+Subproject commit 519c758ae5e18310ef8e5b20c4d13f04bfa8d8f9