refactor: Satisfy linter

Author: NeedleInAJayStack

Sources/GraphQL/Subscription/EventStream.swift

@@ -27,7 +27,7 @@ open class EventStream<Element> {
             -> ConcurrentEventStream<To>
         {
             let newStream = stream.mapStream(closure)
-            return ConcurrentEventStream<To>.init(newStream)
+            return ConcurrentEventStream<To>(newStream)
         }
     }
 

Tests/GraphQLTests/SubscriptionTests/SimplePubSub.swift

@@ -35,7 +35,7 @@ import GraphQL
                 )
                 subscribers.append(subscriber)
             }
-            return ConcurrentEventStream<T>.init(asyncStream)
+            return ConcurrentEventStream<T>(asyncStream)
         }
     }