[#2826] Deprecate TraceContext.getAsyncId()

- Delete unnecessary code

bootstrap-core/src/main/java/com/navercorp/pinpoint/bootstrap/context/TraceContext.java

@@ -79,7 +79,7 @@ public interface TraceContext {
 
     boolean cacheSql(ParsingResult parsingResult);
 
-    TraceId createTraceId(String transactionId, long parentSpanID, long spanID, short flags);
+    TraceId createTraceId(String transactionId, long parentSpanId, long spanId, short flags);
 
     Trace disableSampling();
 
@@ -87,6 +87,11 @@ public interface TraceContext {
 
     ServerMetaDataHolder getServerMetaDataHolder();
 
+    /**
+     * internal api
+     * @deprecated Since 1.7.0
+     */
+    @Deprecated
     int getAsyncId();
 
     JdbcContext getJdbcContext();

plugins/arcus/src/main/java/com/navercorp/pinpoint/plugin/arcus/interceptor/ApiInterceptor.java

@@ -159,7 +159,6 @@ public class ApiInterceptor implements AroundInterceptor {
             try {
                 if (isAsynchronousInvocation(target, args, result, throwable)) {
                     // set asynchronous trace
-                    this.traceContext.getAsyncId();
                     final AsyncTraceId asyncTraceId = trace.getAsyncTraceId();
                     recorder.recordNextAsyncId(asyncTraceId.getAsyncId());
                     // type check isAsynchronousInvocation