Remove explicit reference

clippy emits:

  error: this expression creates a reference which is immediately
  dereferenced by the compiler

As suggested, remove the explicit reference.

Author: tcharding

examples/psbt_sign_finalize.rs

@@ -19,7 +19,7 @@ fn main() {
     let secp256k1 = secp256k1::Secp256k1::new();
 
     let s = "wsh(t:or_c(pk(027a3565454fe1b749bccaef22aff72843a9c3efefd7b16ac54537a0c23f0ec0de),v:thresh(1,pkh(032d672a1a91cc39d154d366cd231983661b0785c7f27bc338447565844f4a6813),a:pkh(03417129311ed34c242c012cd0a3e0b9bca0065f742d0dfb63c78083ea6a02d4d9),a:pkh(025a687659658baeabdfc415164528065be7bcaade19342241941e556557f01e28))))#7hut9ukn";
-    let bridge_descriptor = Descriptor::from_str(&s).unwrap();
+    let bridge_descriptor = Descriptor::from_str(s).unwrap();
     //let bridge_descriptor = Descriptor::<bitcoin::PublicKey>::from_str(&s).expect("parse descriptor string");
     assert!(bridge_descriptor.sanity_check().is_ok());
     println!("Bridge pubkey script: {}", bridge_descriptor.script_pubkey());

src/policy/mod.rs

@@ -453,7 +453,7 @@ mod tests {
                 .iter()
                 .zip(node_probabilities.iter())
                 .collect::<Vec<_>>();
-            sorted_policy_prob.sort_by(|a, b| (a.1).partial_cmp(&b.1).unwrap());
+            sorted_policy_prob.sort_by(|a, b| (a.1).partial_cmp(b.1).unwrap());
             let sorted_policies = sorted_policy_prob
                 .into_iter()
                 .map(|(x, _prob)| x)