More cleanup

Author: czechboy0

Sources/AsyncAlgorithms/CombineLatest/AsyncCombineLatestManySequence.swift

@@ -63,8 +63,6 @@ public struct AsyncCombineLatestManySequence<Element: Sendable, Failure: Error>:
         guard let element = try await self.storage.next() else {
           return nil
         }
-
-        // This force unwrap is safe since there must be a third element.
         return element
       }
     }

Sources/AsyncAlgorithms/CombineLatest/CombineLatestManyStateMachine.swift

@@ -345,7 +345,6 @@ struct CombineLatestManyStateMachine<Element: Sendable, Failure: Error>: Sendabl
       let emptyUpstreamFinished = upstreams[baseIndex].element == nil
       upstreams[baseIndex].isFinished = true
 
-      // Implementing this for the two arities without variadic generics is a bit awkward sadly.
       if emptyUpstreamFinished {
         // All upstreams finished
         self.state = .finished