Remove redundant call to clock::now().
Remove redundant call to clock::now().

It turns out that a C++ std::chrono::time_point's default constructor
initializes the time_point with the current time of the associated clock.

vast-io/vast,vast-io/vast,vast-io/vast,pmos69/vast,pmos69/vast,mavam/vast,mavam/vast,mavam/vast,mavam/vast,vast-io/vast,pmos69/vast,pmos69/vast,vast-io/vast