Fix duplicate method in GrizzlyBlockingHelper after rebase

Author: jandro996

dd-java-agent/instrumentation/grizzly/grizzly-2.0/src/main/java/datadog/trace/instrumentation/grizzly/GrizzlyBlockingHelper.java

@@ -48,17 +48,6 @@ public static boolean block(
         context);
   }
 
-  public static boolean block(
-      Request request,
-      Response response,
-      int statusCode,
-      BlockingContentType bct,
-      Map<String, String> extraHeaders,
-      String securityResponseId,
-      Context context) {
-    return block(request, response, statusCode, bct, extraHeaders, null, context);
-  }
-
   public static boolean block(
       Request request,
       Response response,