remove travis-CI g++ 4.9
remove travis-CI g++ 4.9


Former-commit-id: 087ef6dbed56fba81821a7f3046743aa07646671
Former-commit-id: 313ddcc67e9c9d37fa5961993992029d415502e7
ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame