docs: update txtype docs (alloy-rs#497)

crates/rpc-types/src/eth/transaction/tx_type.rs

@@ -14,13 +14,7 @@ pub const EIP1559_TX_TYPE_ID: u8 = 2;
 /// Identifier for an EIP4844 transaction.
 pub const EIP4844_TX_TYPE_ID: u8 = 3;
 
-/// Transaction Type
-///
-/// Currently being used as 2-bit type when encoding it to Compact on
-/// crate::TransactionSignedNoHash (see Reth's Compact encoding). Adding more transaction types will
-/// break the codec and database format on Reth.
-///
-/// Other required changes when adding a new type can be seen on [PR#3953](https://github.com/paradigmxyz/reth/pull/3953/files).
+/// Transaction Types supported by ethereum.
 #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Default, Serialize, Deserialize)]
 pub enum TxType {
     /// Legacy transaction pre EIP-2929