Drop Hadrian Materialization #3022

Job	Run time
nix-build	45s
runghc	9s
unit-tests	5s
build-extra-hackages	10s
cabal-doExactConfig	12s
cabal	9s
docs	33s
hix	26s
maintainer-scripts	6s
multi-target	33s
plan-extra-hackages	5s
shellFor-hoogle	14s
shellFor-multiple-package	13s
shellFor-not-depends	15s
shellFor-single-package	16s
tests-benchmarks	7s
check-materialization-concurrency	20s
check-path-support	4s
closure-size	2s
haskell-nix-roots-do-not-require-IFDs	12s
hydra-ifdLevel-0-and-1	2m 44s
hydra-ifdLevel-2	3m 22s
hydra-ifdLevel-3	30m 15s
hydra-without-remote-builders-ghc9101	13s
hydra-without-remote-builders-ghc966	59s
update-docs	3s
hix-cabal	7s
nix-tools	38s
	43m 17s

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