node: Remove `radicle_fetch::Config` from `worker::Config`

The configuration options are now passed through to the worker, and
are no longer needed to initialise.

crates/radicle-node/src/runtime.rs

@@ -235,10 +235,6 @@ impl Runtime {
 
         let nid = *signer.public_key();
         let fetch = worker::FetchConfig {
-            config: radicle_fetch::Config {
-                limit: radicle_fetch::FetchLimit::default(),
-                level_min: config.fetch.feature_level_min(),
-            },
             local: nid,
             expiry: worker::garbage::Expiry::default(),
         };

crates/radicle-node/src/worker.rs

@@ -59,8 +59,6 @@ pub struct TaskResult {
 
 #[derive(Debug, Clone)]
 pub struct FetchConfig {
-    /// Configuration passed to the fetch protocol.
-    pub config: radicle_fetch::Config,
     /// Public key of the local peer.
     pub local: crypto::PublicKey,
     /// Configuration for `git gc` garbage collection. Defaults to `1
@@ -243,11 +241,7 @@ impl Worker {
         channels: channels::ChannelsFlush,
         notifs: notifications::StoreWriter,
     ) -> Result<fetch::FetchResult, FetchError> {
-        let FetchConfig {
-            config: _,
-            local,
-            expiry,
-        } = &self.fetch_config;
+        let FetchConfig { local, expiry } = &self.fetch_config;
         // N.b. if the `rid` is blocked this will return an error, so
         // we won't continue with any further set up of the fetch.
         let allowed = radicle_fetch::Allowed::from_config(rid, &self.policies)?;