Delete unused things

examples/utils/mod.rs

@@ -1,31 +0,0 @@
-pub(crate) mod tx {
-
-    use std::str::FromStr;
-
-    use bdk::{SignOptions, Wallet, persist};
-    use bitcoin::{Address, Transaction};
-
-    pub fn build_signed_tx<()>(
-        wallet: &Wallet<()>,
-        recipient_address: &str,
-        amount: u64,
-    ) -> Transaction {
-        // Create a transaction builder
-        let mut tx_builder = wallet.build_tx();
-
-        let to_address = Address::from_str(recipient_address).unwrap();
-
-
-        // Set recipient of the transaction
-        tx_builder.set_recipients(vec![(to_address.script_pubkey(), amount)]);
-
-        // Finalise the transaction and extract PSBT
-        let (mut psbt, _) = tx_builder.finish().unwrap();
-
-        // Sign the above psbt with signing option
-        wallet.sign(&mut psbt, SignOptions::default()).unwrap();
-
-        // Extract the final transaction
-        psbt.extract_tx()
-    }
-}