refactor: move ExtendedTxEnvelope to reth-primitives-traits (#16102)

Co-authored-by: Federico Gimenez <federico.gimenez@gmail.com>

examples/custom-node/src/pool.rs

@@ -1,4 +1,5 @@
 // use jsonrpsee::tracing::{debug, info};
+use crate::primitives::CustomTransactionEnvelope;
 use op_alloy_consensus::{interop::SafetyLevel, OpTxEnvelope};
 use reth_chain_state::CanonStateSubscriptions;
 use reth_node_builder::{
@@ -17,11 +18,10 @@ use reth_op::{
         blobstore::DiskFileBlobStore, CoinbaseTipOrdering, EthPoolTransaction,
         TransactionValidationTaskExecutor,
     },
+    primitives::ExtendedTxEnvelope,
 };
 use reth_optimism_forks::OpHardforks;
 
-use crate::primitives::{CustomTransactionEnvelope, ExtendedTxEnvelope};
-
 #[derive(Debug, Clone)]
 pub struct CustomPoolBuilder<
     T = OpPooledTransaction<ExtendedTxEnvelope<OpTxEnvelope, CustomTransactionEnvelope>>,