fs: remove duplicate getValidatedPath calls #2491

Job	Run time
Build slim tarball	1m 35s
aarch64-darwin: with shared libraries	2h 27m 14s
aarch64-linux: with shared libraries	1h 30m 46s
x86_64-linux: with shared libraries	2h 3m 9s
x86_64-darwin: with shared libraries	2h 58m 55s
	9h 1m 39s

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