Remove Flaky mark from KafkaStreamsTest

Author: smola

Diff for: dd-java-agent/instrumentation/kafka-streams-0.11/src/latestDepTest/groovy/KafkaStreamsTest.groovy

@@ -3,7 +3,6 @@ import datadog.trace.api.DDTags
 import datadog.trace.bootstrap.instrumentation.api.InstrumentationTags
 import datadog.trace.bootstrap.instrumentation.api.Tags
 import datadog.trace.core.datastreams.StatsGroup
-import datadog.trace.test.util.Flaky
 import org.apache.kafka.clients.consumer.ConsumerRecord
 import org.apache.kafka.common.serialization.Serdes
 import org.apache.kafka.streams.KafkaStreams
@@ -29,7 +28,6 @@ import java.util.concurrent.LinkedBlockingQueue
 import java.util.concurrent.TimeUnit
 import java.util.regex.Pattern
 
-@Flaky("https://github.com/DataDog/dd-trace-java/issues/3865")
 class KafkaStreamsTest extends AgentTestRunner {
   static final STREAM_PENDING = "test.pending"
   static final STREAM_PROCESSED = "test.processed"