tools: copyedit Nix files #2546

Job	Run time
Build slim tarball	1m 39s
aarch64-darwin: with shared libraries	30m 30s
x86_64-linux: with shared libraries	27m 10s
x86_64-darwin: with shared libraries	37m 19s
aarch64-linux: with shared libraries	27m 36s
	2h 4m 14s

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