Update ignored SSZ test message to reflect devnet4 layout change

Author: pablodeymo

crates/net/p2p/src/gossipsub/encoding.rs

@@ -56,9 +56,8 @@ mod tests {
     use ssz::Decode;
 
     #[test]
-    #[ignore = "Test data uses old BlockSignatures field order (proposer_signature, attestation_signatures). Needs regeneration with correct order (attestation_signatures, proposer_signature)."]
+    #[ignore = "devnet3 SSZ fixture — needs devnet4 block (SignedBlock without BlockWithAttestation wrapper)"]
     fn test_decode_block() {
-        // Sample uncompressed block sent by Zeam (commit b153373806aa49f65aadc47c41b68ead4fab7d6e)
         let block_bytes = include_bytes!("../../test_data/signed_block_with_attestation.ssz");
         let _block = SignedBlock::from_ssz_bytes(block_bytes).unwrap();
     }