Remove useless calls of vec macro

linter emits:

  error: useless use of `vec!`

As suggested remove the macro call.

Author: tcharding

bitcoin/src/amount.rs

@@ -2315,7 +2315,7 @@ mod tests {
     fn disallow_confusing_forms() {
         // Non-exhaustive list of confusing forms.
         let confusing =
-            vec!["Msat", "Msats", "MSAT", "MSATS", "MSat", "MSats", "MBTC", "Mbtc", "PBTC"];
+            ["Msat", "Msats", "MSAT", "MSATS", "MSat", "MSats", "MBTC", "Mbtc", "PBTC"];
         for denom in confusing.iter() {
             match Denomination::from_str(denom) {
                 Ok(_) => panic!("from_str should error for {}", denom),
@@ -2328,7 +2328,7 @@ mod tests {
     #[test]
     fn disallow_unknown_denomination() {
         // Non-exhaustive list of unknown forms.
-        let unknown = vec!["NBTC", "UBTC", "ABC", "abc"];
+        let unknown = ["NBTC", "UBTC", "ABC", "abc"];
         for denom in unknown.iter() {
             match Denomination::from_str(denom) {
                 Ok(_) => panic!("from_str should error for {}", denom),

bitcoin/src/bip158.rs

@@ -618,7 +618,7 @@ mod test {
                 .unwrap());
 
             for script in txmap.values() {
-                let query = vec![script];
+                let query = [script];
                 if !script.is_empty() {
                     assert!(filter
                         .match_any(block_hash, &mut query.iter().map(|s| s.as_bytes()))

bitcoin/src/merkle_tree/block.rs

@@ -690,7 +690,7 @@ mod tests {
 
         let txid1 = txids[0];
         let txid2 = txids[1];
-        let txids = vec![txid1, txid2];
+        let txids = [txid1, txid2];
 
         let merkle_block = MerkleBlock::from_block_with_predicate(&block, |t| txids.contains(t));