Refactor beacon node CLI

beacon_node/rest_api/src/config.rs

@@ -1,4 +1,3 @@
-use clap::ArgMatches;
 use serde::{Deserialize, Serialize};
 use std::net::Ipv4Addr;
 
@@ -50,25 +49,3 @@ impl Default for Config {
         }
     }
 }
-
-impl Config {
-    pub fn apply_cli_args(&mut self, args: &ArgMatches) -> Result<(), &'static str> {
-        if args.is_present("no-api") {
-            self.enabled = false;
-        }
-
-        if let Some(rpc_address) = args.value_of("api-address") {
-            self.listen_address = rpc_address
-                .parse::<Ipv4Addr>()
-                .map_err(|_| "api-address is not a valid IPv4 address.")?;
-        }
-
-        if let Some(rpc_port) = args.value_of("api-port") {
-            self.port = rpc_port
-                .parse::<u16>()
-                .map_err(|_| "api-port is not a valid u16.")?;
-        }
-
-        Ok(())
-    }
-}