fix(userspace): remove unread variable in restart_handler #336

Job	Run time
fetch-version / fetch-version	22s
build-dev-packages / build-wasm-package	4m 44s
build-dev-packages / build-modern-bpf-skeleton	1m 57s
build-dev-packages / build-macos-package	12m 28s
build-dev-packages / build-musl-package	0s
build-dev-packages / build-win32-package	8m 28s
build-dev-packages-arm64 / build-modern-bpf-skeleton	10m 32s
build-dev-packages-arm64 / build-macos-package	0s
build-dev-packages-arm64 / build-musl-package	0s
build-dev-packages-arm64 / build-wasm-package	0s
build-dev-packages-arm64 / build-win32-package	0s
build-dev-packages / build-packages	20m 48s
build-dev-packages-arm64 / build-packages	21m 7s
test-dev-packages / test-packages	2m 17s
test-dev-packages-arm64 / test-packages	1m 21s
publish-dev-packages / publish-packages	2m 28s
publish-dev-packages / publish-packages-deb	4m 31s
build-dev-docker-arm64 / build-docker	10m 51s
build-dev-docker / build-docker	7m 34s
publish-dev-docker / publish-docker	4m 27s
	1h 53m 55s

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