Update build/version

[h-vetinari]

With the openfst changes now merged upstream (kaldi-asr/kaldi#4927), we could get rid of a lot of patches here.

kaldi-feedstock/recipe/meta.yaml

Lines 45 to 49 in 4183636

	# Patches based on https://github.com/kaldi-asr/kaldi/pull/4829
	- patches/0001-Support-openfst-1.7.6.patch
	- patches/0002-Support-openfst-1.8.0.patch
	- patches/0003-Support-openfst-1.8.1.patch
	- patches/0004-Support-openfst-1.8.2.patch

Not sure if there are other relevant considerations - I don't really understand the kaldi (lack of) versioning. What do you think about an update @mmcauliffe?

[mmcauliffe]

Oh perfect, yeah, I can try to take a crack at it this week if I get some time!

[h-vetinari]

Cool thanks a lot! Also, if you have some insight into what's going wrong with CUDA on aarch/ppc (#50), your help would be much-appreciated! :)