refactor: Replace RecursiveMutex with Mutex in timedata.cpp
refactor: Replace RecursiveMutex with Mutex in timedata.cpp

Former-commit-id: 9e93ed82232a0be36a82b7d2b5ce46e7150d67c0
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin