[#1130] fstree: Remove useless Stat() call

Commit 6e71ae3bda pushed by fyrchik#1130
Workflow build.yml

Build Components (1.22)

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Set up job5s
actions/checkout@v335s
Set up Go2m36s
Build CLI2m58s
bin/frostfs-cli --version1s
Build NODE1m11s
Build IR25s
Build ADM44s
bin/frostfs-adm --version0s
Build LENS42s
bin/frostfs-lens --version0s
Complete job2m2s