fs-trim: remove linux rm wrapping #1142

Job	Run time
login-shells-and-linting	6m 58s
debug-env	1s
fresh-macos-test (macos-15)	3m 31s
fresh-macos-test (macos-14)	3m 7s
container-test (ubuntu:latest)	56s
fresh-macos-test (macos-12)	8m 22s
runner-test (ubuntu-24.04)	1m 22s
container-test (fedora:latest)	5s
runner-test (ubuntu-22.04)	1m 0s
container-test (debian:latest)	56s
runner-test (macos-15)	1m 39s
container-test (alpine:latest)	31s
runner-test (macos-14)	1m 13s
runner-test (macos-12)	8m 22s
container-test (opensuse/leap)	3m 15s
container-test (opensuse/tumbleweed)	1m 1s
container-test (kalilinux/kali-rolling)	59s
	43m 18s

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