Makefile: use 'rm -f' for verify-boilerplate
So the target is idempotent and it does not print to stderr on CI.
@@ -292,7 +292,7 @@ verify: verify-boilerplate verify-modules verify-gen verify-conversions verify-s
.PHONY: verify-boilerplate
verify-boilerplate: ## Verify boilerplate
- -rm ./hack/tools/bin/*.sh
+ -rm -f ./hack/tools/bin/*.sh
./hack/verify-boilerplate.sh
.PHONY: verify-modules
