It is a mandatory step in the development of the network and prosperity of bitcoin. So yes it won't be cancelled.
The title is misleading and since it suggest a eventual cancellation which is not true. A better title would be. Should the halving be cancelled?
That's what I think should happen and assume will happen ("unless miners want to kill bitcoin"). My logic is flawless, lol. If the halving is so beneficial for the "prosperity of bitcoin", why not cancel the miners reward altogether?
Fly me to the moon
cancel the miner's reward immediately right now actually is not a wise idea because everything takes time if you want to do that, do it gradually. Cut the reward to zero too fast this is a kill-switch for the whole bitcoin system