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


Former-commit-id: 087ef6dbed56fba81821a7f3046743aa07646671
Former-commit-id: ea823a78f7a376cb9a7dcf4cb0a75f7ce6973c5b
ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame,ArkGame/ArkGameFrame