chore: rm generic array dep from discv4 (#19140)

Cargo.lock

@@ -4013,7 +4013,6 @@ version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
- "serde",
  "typenum",
  "version_check",
  "zeroize",
@@ -7739,7 +7738,6 @@ dependencies = [
  "assert_matches",
  "discv5",
  "enr",
- "generic-array",
  "itertools 0.14.0",
  "parking_lot",
  "rand 0.8.5",

crates/net/discv4/Cargo.toml

@@ -35,7 +35,6 @@ tracing.workspace = true
 thiserror.workspace = true
 parking_lot.workspace = true
 rand_08 = { workspace = true, optional = true }
-generic-array.workspace = true
 serde = { workspace = true, optional = true }
 itertools.workspace = true
 
@@ -53,7 +52,6 @@ serde = [
     "alloy-primitives/serde",
     "discv5/serde",
     "enr/serde",
-    "generic-array/serde",
     "parking_lot/serde",
     "rand_08?/serde",
     "secp256k1/serde",

crates/net/discv4/src/node.rs

@@ -1,5 +1,4 @@
 use alloy_primitives::keccak256;
-use generic_array::GenericArray;
 use reth_network_peers::{NodeRecord, PeerId};
 
 /// The key type for the table.
@@ -15,8 +14,7 @@ impl From<PeerId> for NodeKey {
 impl From<NodeKey> for discv5::Key<NodeKey> {
     fn from(value: NodeKey) -> Self {
         let hash = keccak256(value.0.as_slice());
-        let hash = *GenericArray::from_slice(hash.as_slice());
-        Self::new_raw(value, hash)
+        Self::new_raw(value, hash.0.into())
     }
 }