Revert "Nix 2.25.4" #2613

Job	Run time
Lints	2m 48s
build-aarch64-darwin / Build aarch64 Darwin (static)	4m 13s
build-aarch64-linux / Build aarch64 Linux (static)	3m 48s
build-x86_64-linux / Build x86_64 Linux (static)	3m 34s
build-x86_64-darwin / Build x86_64 Darwin (static)	5m 53s
Run x86_64 Linux (No init, --determinate)	1m 35s
Run x86_64 Linux (--determinate)	1m 54s
Run x86_64 Linux (No init)	1m 30s
Run x86_64 Linux release check matrix	0s
Run x86_64 Linux	1m 44s
Run x86_64 Linux release checks	0s
Run aarch64 Linux (--determinate)	1m 26s
Run aarch64 Linux	1m 21s
Run aarch64 Darwin (--determinate)	2m 3s
Run aarch64 Darwin	2m 5s
Run x86_64 Darwin (--determinate)	3m 24s
Run x86_64 Darwin	4m 56s
	42m 14s

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