chore: misc clippy (#1607)

crates/consensus/src/receipt/receipts.rs

@@ -295,7 +295,6 @@ where
 
 #[cfg(test)]
 mod test {
-    use super::*;
 
     #[cfg(feature = "serde")]
     #[test]

crates/consensus/src/transaction/envelope.rs

@@ -608,6 +608,7 @@ mod serde_from {
 mod tests {
     use super::*;
     use crate::transaction::SignableTransaction;
+    use alloc::vec::Vec;
     use alloy_eips::{
         eip2930::{AccessList, AccessListItem},
         eip4844::BlobTransactionSidecar,
@@ -616,12 +617,8 @@ mod tests {
     #[allow(unused_imports)]
     use alloy_primitives::{b256, Bytes, TxKind};
     use alloy_primitives::{hex, Address, Parity, Signature, U256};
-    use arbitrary::Arbitrary;
     use std::{fs, path::PathBuf, str::FromStr, vec};
 
-    #[cfg(not(feature = "std"))]
-    use std::vec::Vec;
-
     #[test]
     #[cfg(feature = "k256")]
     // Test vector from https://etherscan.io/tx/0xce4dc6d7a7549a98ee3b071b67e970879ff51b5b95d1c340bacd80fa1e1aab31
@@ -1156,6 +1153,7 @@ mod tests {
     #[test]
     #[cfg(feature = "k256")]
     fn test_arbitrary_envelope() {
+        use arbitrary::Arbitrary;
         let mut unstructured = arbitrary::Unstructured::new(b"arbitrary tx envelope");
         let tx = TxEnvelope::arbitrary(&mut unstructured).unwrap();