refactor: delete quark crate (closes #239)

crates/delta/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "revolt-delta"
-version = "0.7.0"
+version = "0.7.1"
 license = "AGPL-3.0-or-later"
 authors = ["Paul Makles <paulmakles@gmail.com>"]
 edition = "2018"

crates/delta/src/util/test.rs

@@ -101,7 +101,6 @@ impl TestHarness {
 
         let mut stream = self.sub.on_message();
         while let Some(item) = stream.next().await {
-            let item = item.unwrap();
             let msg_topic = item.get_channel_name();
             let payload: EventV1 = redis_kiss::decode_payload(&item).unwrap();