block_tests.cpp:  Remove redundant, unimplemented force_settlement test
block_tests.cpp:  Remove redundant, unimplemented force_settlement test

pmconrad/graphene,oxarbitrage/bitshares-core,abitmore/bitshares-2,abitmore/bitshares-2,bitsuperlab/cpp-play2,bigoc/openchain,bigoc/openchain,abitmore/bitshares-2,pmconrad/graphene,peertracksinc/muse,oxarbitrage/bitshares-core,bitsuperlab/cpp-play2,bigoc/openchain,cryptonomex/graphene,peertracksinc/muse,bitshares/bitshares-2,oxarbitrage/bitshares-core,bitsuperlab/cpp-play2,cryptonomex/graphene,bigoc/openchain,bitshares/bitshares-2,peertracksinc/muse,peertracksinc/muse,pmconrad/graphene,bitshares/bitshares-2,bitshares/bitshares-2,pmconrad/graphene,cryptonomex/graphene,abitmore/bitshares-2,oxarbitrage/bitshares-core