Fix clippy in certificate: Remove let-unit-value

This patch fixes `clippy::let_unit_value`.

Signed-off-by: Matthias Beyer <matthias.beyer@ifm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/common/certificate/src/lib.rs b/crates/common/certificate/src/lib.rs
index 0c81a73d..ecfbd88a 100644
--- a/crates/common/certificate/src/lib.rs
+++ b/crates/common/certificate/src/lib.rs
@@ -110,7 +110,7 @@ impl KeyCertPair {
         id: &str,
         not_before: OffsetDateTime,
     ) -> Result<KeyCertPair, CertificateError> {
-        let () = KeyCertPair::check_identifier(id, config.max_cn_size)?;
+        KeyCertPair::check_identifier(id, config.max_cn_size)?;
         let mut distinguished_name = rcgen::DistinguishedName::new();
         distinguished_name.push(rcgen::DnType::CommonName, id);
         distinguished_name.push(rcgen::DnType::OrganizationName, &config.organization_name);