Removed Maven related grunt tasks

Change-Id: I1d1a45ec1c21d3175bc3b4d116eb1e7e10529b37
No session, no poll (feat. Bob Marley)

Change-Id: Ia0f19c8a38b9c017238ba0e51d63bfbf67d5987d
Package version updated to release version
[maven-release-plugin] prepare release kws-content-api-4.3.12