Fix clippy errors (#673)

proxy/src/cplane_api.rs

@@ -1,6 +1,4 @@
 use anyhow::{bail, Result};
-use hex;
-use reqwest;
 use serde::{Deserialize, Serialize};
 use std::net::{IpAddr, SocketAddr};
 

proxy/src/proxy.rs

@@ -192,7 +192,7 @@ impl ProxyConnection {
                         .write_message_noflush(&BeMessage::ParameterStatus)?;
                     self.pgb.write_message(&BeMessage::ReadyForQuery)?;
 
-                    return Ok(conn_info);
+                    Ok(conn_info)
                 }
             }
         } else {