Remove allow(clippy::lint) attributes that are no longer necessary

crates/ruma-api-macros/src/lib.rs

@@ -8,8 +8,6 @@
 //!
 //! [ruma-api]: https://github.com/ruma/ruma/tree/main/ruma-api
 
-// Remove this once https://github.com/rust-lang/rust/issues/54883 becomes stable
-#![allow(clippy::unnested_or_patterns)]
 #![recursion_limit = "256"]
 
 use proc_macro::TokenStream;

crates/ruma-events/src/event_type.rs

@@ -215,7 +215,6 @@ mod tests {
 
     use super::EventType;
 
-    #[allow(clippy::cognitive_complexity)]
     #[test]
     fn serialize_and_deserialize_from_display_form() {
         serde_json_eq(EventType::CallAnswer, json!("m.call.answer"));

crates/ruma-events/src/lib.rs

@@ -114,10 +114,6 @@
 #![recursion_limit = "1024"]
 #![warn(missing_docs)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
-// This lint is no good
-#![allow(clippy::new_without_default)]
-// Remove this once our MSRV is >= 1.53
-#![allow(clippy::unnested_or_patterns)]
 
 use std::fmt::Debug;