minor: fix clippy

Author: patrickfreed

src/cmap/conn/wire/test.rs

@@ -45,7 +45,7 @@ async fn basic() {
         MessageSection::Document(doc) => doc,
         MessageSection::Sequence { documents, .. } => documents.into_iter().next().unwrap(),
     };
-    let response_doc: Document = bson::from_slice(&response_doc_bytes.as_slice()).unwrap();
+    let response_doc: Document = bson::from_slice(response_doc_bytes.as_slice()).unwrap();
 
     assert_eq!(response_doc.get("ok"), Some(&Bson::Double(1.0)));
 }

src/operation/mod.rs

@@ -142,7 +142,7 @@ pub(crate) trait Response: Sized {
     /// Whether the command succeeeded or not (i.e. if this response is ok: 1).
     fn is_success(&self) -> bool {
         match self.ok() {
-            Some(b) => bson_util::get_int(&b) == Some(1),
+            Some(b) => bson_util::get_int(b) == Some(1),
             None => false,
         }
     }

src/test/mod.rs

@@ -73,5 +73,5 @@ fn get_default_uri() -> String {
             return uri;
         }
     }
-    return "mongodb://localhost:27017".to_string();
+    "mongodb://localhost:27017".to_string()
 }