Issue #5785 - remove warning on CompressExtension failure

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>

jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/extensions/compress/CompressExtension.java

@@ -441,7 +441,6 @@ public abstract class CompressExtension extends AbstractExtension
             notifyCallbackFailure(current.callback, x);
             // If something went wrong, very likely the compression context
             // will be invalid, so we need to fail this IteratingCallback.
-            LOG.warn(x);
             super.failed(x);
         }