Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 31c596c3b111eb4fca0525e9bfa65243be808ac8
  - Remove orphaned entry for pnfsimulator from Coala config
    
    Change-Id: Ib506dbc82e86ec02f8b1b118c3b9dfcf3209e7c2
    Issue-ID: INT-1517
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
    
1 file changed