chore: remove unneeded hostname library

Author: meysam81

Cargo.lock

@@ -6,7 +6,6 @@ edition = "2021"
 [dependencies]
 actix-web = "4.8.0"
 chrono = "0.4.38"
-hostname = "0.4.0"
 serde = { version = "1.0.203", features = ["derive"] }
 tokio = { version = "1.38.0", features = ["rt-multi-thread", "num_cpus", "macros"] }
 tracing = "0.1.40"