Drop Hadrian Materialization #3015

Job	Run time
unit-tests	8s
nix-build	33m 59s
cabal	16s
runghc	17s
build-extra-hackages	11s
cabal-doExactConfig	14s
check-materialization-concurrency	24s
check-path-support	19s
closure-size	4s
docs	1m 1s
haskell-nix-roots-do-not-require-IFDs	23s
hix	44s
hydra-ifdLevel-0-and-1	5m 35s
hydra-ifdLevel-2	9m 3s
hydra-ifdLevel-3	30m 10s
hydra-without-remote-builders-ghc966	14s
maintainer-scripts	13s
multi-target	42s
plan-extra-hackages	8s
shellFor-hoogle	17s
shellFor-not-depends	19s
shellFor-multiple-package	17s
shellFor-single-package	20s
tests-benchmarks	10s
update-docs	6s
hix-cabal	9s
hydra-without-remote-builders-ghc9101	13s
nix-tools	3m 39s
	1h 29m 35s

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