Remove unused dependencies

Author: stanislav-tkach

rust/rbac-registration/Cargo.toml

@@ -27,7 +27,6 @@ zstd = "0.13.2"
 x509-cert = "0.2.5"
 der-parser = "9.0.0"
 dashmap = "6.1.0"
-blake2b_simd = "1.0.2"
 tracing = "0.1.40"
 ed25519-dalek = "2.1.1"
 uuid = "1.11.0"