Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to e5dd2d45da5300efa6ea34308c1c892d29db5d4e
  - remove cassandra-drive-core
    
    remove cassandra-drive-core
    from appc-yang-generator
    
    Change-Id: Ied5ca0e393d22b5a4ee059dfe58904dd971df4f6
    Issue-ID: APPC-1553
    Signed-off-by: Taka Cho <takamune.cho@att.com>
    
1 file changed