Chris Redfield's Missing Voicelines

Here to ask, why have most of Chris' older and more entertaining voicelines been removed/disabled? I used to love his old over-the-top screams and the way he's yell "WHOA" all the time. Now he's left with the most boring of the bunch.

For those who aren't following, below is a video of Chris gameplay from when RE Chapter 1 was brand new. Anyone who plays as or with Chris will know that about 60-70% of the sounds he makes in this video aren't audible in game anymore. Why?