Remove unnecessary vec optimisation

Author: szg251

plutus-ledger-api/src/v1/interval.rs

@@ -416,11 +416,11 @@ where
 {
     fn to_plutus_data(&self) -> PlutusData {
         match self {
-            Extended::NegInf => PlutusData::Constr(BigInt::from(0), Vec::with_capacity(0)),
+            Extended::NegInf => PlutusData::Constr(BigInt::from(0), Vec::new()),
             Extended::Finite(value) => {
                 PlutusData::Constr(BigInt::from(1), vec![value.to_plutus_data()])
             }
-            Extended::PosInf => PlutusData::Constr(BigInt::from(2), Vec::with_capacity(0)),
+            Extended::PosInf => PlutusData::Constr(BigInt::from(2), Vec::new()),
         }
     }
 

plutus-ledger-api/src/v1/value.rs

@@ -112,7 +112,7 @@ impl IsPlutusData for CurrencySymbol {
     fn to_plutus_data(&self) -> PlutusData {
         match self {
             CurrencySymbol::NativeToken(policy_hash) => policy_hash.to_plutus_data(),
-            CurrencySymbol::Ada => PlutusData::Bytes(Vec::with_capacity(0)),
+            CurrencySymbol::Ada => PlutusData::Bytes(Vec::new()),
         }
     }
 
@@ -726,7 +726,7 @@ pub struct TokenName(pub LedgerBytes);
 impl TokenName {
     /// Ada tokenname (empty bytestring)
     pub fn ada() -> TokenName {
-        TokenName(LedgerBytes(Vec::with_capacity(0)))
+        TokenName(LedgerBytes(Vec::new()))
     }
 
     pub fn is_empty(&self) -> bool {

plutus-ledger-api/src/v2/datum.rs

@@ -40,7 +40,7 @@ pub enum OutputDatum {
 impl Json for OutputDatum {
     fn to_json(&self) -> serde_json::Value {
         match self {
-            OutputDatum::None => json::json_constructor("NoOutputDatum", Vec::with_capacity(0)),
+            OutputDatum::None => json::json_constructor("NoOutputDatum", Vec::new()),
             OutputDatum::DatumHash(dat_hash) => {
                 json::json_constructor("OutputDatumHash", vec![dat_hash.to_json()])
             }