Rocket picking up environment from Rocket.toml again (#801)

* Rocket picking up environment from Rocket.toml again

* Removed unused import

validator-api/src/main.rs

@@ -12,7 +12,7 @@ use crate::nymd_client::Client;
 use crate::rewarding::epoch::Epoch;
 use crate::rewarding::Rewarder;
 use crate::storage::NodeStatusStorage;
-use ::config::{defaults::DEFAULT_VALIDATOR_API_PORT, NymConfig};
+use ::config::NymConfig;
 use anyhow::Result;
 use cache::ValidatorCache;
 use clap::{App, Arg, ArgMatches};
@@ -374,12 +374,7 @@ fn setup_rewarder(
 
 async fn setup_rocket(config: &Config, liftoff_notify: Arc<Notify>) -> Result<Rocket<Ignite>> {
     // let's build our rocket!
-    let rocket_config = rocket::config::Config {
-        // TODO: probably the port should be configurable?
-        port: DEFAULT_VALIDATOR_API_PORT,
-        ..Default::default()
-    };
-    let rocket = rocket::custom(rocket_config)
+    let rocket = rocket::build()
         .attach(setup_cors()?)
         .attach(setup_liftoff_notify(liftoff_notify))
         .attach(ValidatorCache::stage())