Enable Kotlin coroutines integration by default

Author: mcculls

dd-java-agent/instrumentation/kotlin-coroutines/src/main/java/datadog/trace/instrumentation/kotlin/coroutines/KotlinCoroutinesModule.java

@@ -9,12 +9,7 @@
 @AutoService(InstrumenterModule.class)
 public class KotlinCoroutinesModule extends InstrumenterModule.Tracing {
   public KotlinCoroutinesModule() {
-    super("kotlin_coroutine.experimental");
-  }
-
-  @Override
-  protected final boolean defaultEnabled() {
-    return false;
+    super("kotlin_coroutine", "kotlin_coroutine.experimental");
   }
 
   @Override

dd-java-agent/instrumentation/kotlin-coroutines/src/testFixtures/groovy/datadog/trace/instrumentation/kotlin/coroutines/AbstractKotlinCoroutineInstrumentationTest.groovy

@@ -20,13 +20,6 @@ abstract class AbstractKotlinCoroutineInstrumentationTest<T extends CoreKotlinCo
     ['single thread pool', ThreadPoolDispatcherKt.newSingleThreadContext("Single-Thread")],
   ]
 
-  @Override
-  void configurePreAgent() {
-    super.configurePreAgent()
-
-    injectSysConfig("dd.integration.kotlin_coroutine.experimental.enabled", "true")
-  }
-
   def "kotlin cancellation prevents trace #dispatcherName"() {
     setup:
     CoreKotlinCoroutineTests kotlinTest = getCoreKotlinCoroutineTestsInstance(dispatcher)