Why is old Dark Harvest not being revived?

The best and funnest way to play league was old harkharvest, old storm razor assassins jungle. No question about it. But riot had to, understandably, change storm razor because of what it was doing to adc's and rework DH. They reworked DH because every jungler, assassin and, some mages and adc's, were taking it. This is because it was just a strong rune. Its damage scaled to hard and it was easy to proc as a part of people's kit. It was a problem. BUT, what about conqueror.It's literally the same deal. EVERYONE was and still is taking it (with the exception of most ranged champs now). This still includes almost all of the top laners, a bunch of junglers like lee sin, olaf, jax just to name a couple, and even a few mid laners take it though sparingly. I understand with the new conq changes that it is in a healthier state, but why couldn't riot 'change' DH not just rework it. It feels like riot gave up on me, because I had so much fun playing it from questioning how it even worked after it was released, then realizing, wow this is pretty fun. To running it with this sick new item storm razor to make it op. They just had to change storm razor to be an energized item and not be something that synergize with assassins so well. They could also make it so that after 150 souls it would last way less time like only 60 seconds, they could make it so that it was more than 150 you needed. My point is anyway they didn't try enough to make it work. The change the soul and damage numbers a bit then just thought "eh, this is to hard" and all the people who LOVED the rune are left with no real fun options for play. Lets be real, there is no fun runes for kayn now. New DH just feels weaker because it's not my auto that procs it. It just "gets proc'ed" when I in people.

I would really like to see them bring back old DH and give it the cool sounds that it was born with and give the new DH different sound to fit it better.