Update Cargo.toml

Cargo.toml

@@ -21,7 +21,6 @@ url = "2.1"
 crossbeam = "0.8"
 rand = "0.8"
 hex-literal = "0.3"
-data-encoding = "2.3.2"
 clap = { version = "2.33", features = ["wrap_help"]}
 
 [features]