Remove obsolete function for write operation

Author: janndriessen

Sources/web3swift/Operations/WriteOperation.swift

@@ -30,18 +30,4 @@ public class WriteOperation: ReadOperation {
         // MARK: Sending Data flow
         return try await web3.eth.send(transaction)
     }
-
-    // FIXME: Rewrite this to CodableTransaction
-    func nonce(for policy: CodableTransaction.NoncePolicy, from: EthereumAddress) async throws -> BigUInt {
-        switch policy {
-        case .latest:
-            return try await self.web3.eth.getTransactionCount(for: from, onBlock: .latest)
-        case .pending:
-            return try await self.web3.eth.getTransactionCount(for: from, onBlock: .pending)
-        case .earliest:
-            return try await self.web3.eth.getTransactionCount(for: from, onBlock: .earliest)
-        case .exact(let nonce):
-            return nonce
-        }
-    }
 }