Fixed resume time was calculated incorrectly

There is no need to recalculate duration from the current state
of the view. Motion calculates it when animations is first fired off
and on resume remaining duration can be recalculated
as usual (duration - progress).

Sources/Animator/MotionCoreAnimator.swift

@@ -127,10 +127,6 @@ internal class MotionCoreAnimator<T: MotionAnimatorViewContext>: MotionAnimator
     var duration: TimeInterval = 0
     
     for (_, v) in viewToContexts {
-      if nil == v.targetState.duration {
-        v.duration = max(v.duration, v.snapshot.optimizedDuration(targetState: v.targetState) + progress)
-      }
-      
       duration = max(duration, v.resume(at: progress, isReversed: isReversed))
     }