cleanup import

Author: SylvainJuge

instrumentation/async-http-client/async-http-client-1.9/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/asynchttpclient/v1_9/ResponseInstrumentation.java

@@ -6,6 +6,7 @@
 package io.opentelemetry.javaagent.instrumentation.asynchttpclient.v1_9;
 
 import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
+import static io.opentelemetry.javaagent.instrumentation.asynchttpclient.v1_9.AsyncHttpClientSingletons.ASYNC_HANDLER_DATA;
 import static io.opentelemetry.javaagent.instrumentation.asynchttpclient.v1_9.AsyncHttpClientSingletons.instrumenter;
 import static net.bytebuddy.matcher.ElementMatchers.hasSuperClass;
 import static net.bytebuddy.matcher.ElementMatchers.isPublic;
@@ -52,11 +53,11 @@ public static class OnCompletedAdvice {
     public static Scope onEnter(
         @Advice.This AsyncCompletionHandler<?> handler, @Advice.Argument(0) Response response) {
 
-      AsyncHandlerData data = AsyncHttpClientSingletons.ASYNC_HANDLER_DATA.get(handler);
+      AsyncHandlerData data = ASYNC_HANDLER_DATA.get(handler);
       if (data == null) {
         return null;
       }
-      AsyncHttpClientSingletons.ASYNC_HANDLER_DATA.set(handler, null);
+      ASYNC_HANDLER_DATA.set(handler, null);
       instrumenter().end(data.getContext(), data.getRequest(), response, null);
       return data.getParentContext().makeCurrent();
     }
@@ -76,11 +77,11 @@ public static class OnThrowableAdvice {
     public static Scope onEnter(
         @Advice.This AsyncCompletionHandler<?> handler, @Advice.Argument(0) Throwable throwable) {
 
-      AsyncHandlerData data = AsyncHttpClientSingletons.ASYNC_HANDLER_DATA.get(handler);
+      AsyncHandlerData data = ASYNC_HANDLER_DATA.get(handler);
       if (data == null) {
         return null;
       }
-      AsyncHttpClientSingletons.ASYNC_HANDLER_DATA.set(handler, null);
+      ASYNC_HANDLER_DATA.set(handler, null);
       instrumenter().end(data.getContext(), data.getRequest(), null, throwable);
       return data.getParentContext().makeCurrent();
     }