Update comment

Author: adam-fowler

Sources/HummingbirdHTTP2/HTTP2StreamChannel.swift

@@ -77,10 +77,9 @@ struct HTTP2StreamChannel: ServerChildChannel {
                     )
                     let responseWriter = ResponseWriter(outbound: outbound)
                     try await self.responder(request, responseWriter, asyncChannel.channel)
-                    // Temporary fix: wait until the client ends inbound stream. When inbound ends
-                    // we can assume that the response has been fully written. Ideally this
-                    // shouldnt be necessary as calling write should guarantee data is written
-                    // TODO: Remove this once SwiftNIO code is working
+                    // Wait until inbound stream is finished. NIO will end the stream once
+                    // it receives the HTTP part `.end`. This shouldnt be necessary as calling
+                    // write should guarantee data is written
                     while try await iterator.next() != nil {}
                 }
             } onCancel: {