No. The out-of-sync subs are a problem which has been going on for a couple of months now. It affected many shows, and Viki is slowly working on it. Nothing to do with cutting scenes.
On the other hand, once, in Beethoven Virus, there was some glitch with a scene from another episode wrongfully inserted to an episode it didn’t belong. We asked Viki for help and they fixed everything without even one subtitle going out of sync. Our work was preserved in its totality.
So if this is your only evidence of scenes being cut, it’s no good proof. If you remember a scene and it isn’t there, then it’s a different matter.