Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 3c5ea1248eb56b6ddb123bde7b66c726288bba28
  - Remove unused imports in mass-pnf-sim.py
    
    Change-Id: Idf48efd38395afc4fcb85d42e79a26f94f59a02b
    Issue-ID: INT-1427
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
    
1 file changed