remove calls to isexpired and issentinelpingexpired
remove calls to isexpired and issentinelpingexpired


Former-commit-id: 2623094f7cf473cb066664ac1831e554417dbb46
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin