Remove redundant muts in router.rs.

Author: arik-so

lightning/src/routing/router.rs

@@ -417,7 +417,7 @@ impl Readable for Route {
 		let blinded_tails = blinded_tails.unwrap_or(Vec::new());
 		if blinded_tails.len() != 0 {
 			if blinded_tails.len() != paths.len() { return Err(DecodeError::InvalidValue) }
-			for (mut path, blinded_tail_opt) in paths.iter_mut().zip(blinded_tails.into_iter()) {
+			for (path, blinded_tail_opt) in paths.iter_mut().zip(blinded_tails.into_iter()) {
 				path.blinded_tail = blinded_tail_opt;
 			}
 		}
@@ -1221,7 +1221,7 @@ impl<'a> PaymentPath<'a> {
 				cur_hop_fees_msat = self.hops.get(i + 1).unwrap().0.hop_use_fee_msat;
 			}
 
-			let mut cur_hop = &mut self.hops.get_mut(i).unwrap().0;
+			let cur_hop = &mut self.hops.get_mut(i).unwrap().0;
 			cur_hop.next_hops_fee_msat = total_fee_paid_msat;
 			// Overpay in fees if we can't save these funds due to htlc_minimum_msat.
 			// We try to account for htlc_minimum_msat in scoring (add_entry!), so that nodes don't