Update StageLoggingWithOverride.scala

Author: pjfanning

http-core/src/main/scala/org/apache/pekko/http/impl/util/StageLoggingWithOverride.scala

@@ -19,8 +19,7 @@ package org.apache.pekko.http.impl.util
 import org.apache.pekko
 import pekko.annotation.InternalApi
 import pekko.stream.stage.GraphStageLogic
-import pekko.event.{ LogSource, LoggingAdapter, NoLogging }
-import pekko.stream.Materializer
+import pekko.event.{ LogSource, LoggingAdapter }
 
 // TODO Try to reconcile with what Pekko provides in StageLogging.
 // We thought this could be removed when https://github.com/akka/akka/issues/18793 had been implemented
@@ -43,10 +42,7 @@ private[pekko] trait StageLoggingWithOverride extends GraphStageLogic {
         _log =
           logOverride match {
             case DefaultNoLogging =>
-              materializer match {
-                case m: Materializer => pekko.event.Logging(m.system, logSource)(LogSource.fromClass)
-                case _               => NoLogging
-              }
+              pekko.event.Logging(materializer.system, logSource)(LogSource.fromClass)
             case x => x
           }
       case _ =>