reverting irrelevant changes

Author: mhlidd

dd-trace-core/src/main/java/datadog/trace/core/DDSpanContext.java

@@ -367,9 +367,7 @@ public DDSpanContext(
         propagationTags != null
             ? propagationTags
             : traceCollector.getTracer().getPropagationTagsFactory().empty();
-    if (parentId == 0) { // higher bits of traceID are only used in root span
-      this.propagationTags.updateTraceIdHighOrderBits(this.traceId.toHighOrderLong());
-    }
+    this.propagationTags.updateTraceIdHighOrderBits(this.traceId.toHighOrderLong());
     this.injectBaggageAsTags = injectBaggageAsTags;
     if (origin != null) {
       setOrigin(origin);

dd-trace-core/src/test/groovy/datadog/trace/core/DDSpanContextTest.groovy

@@ -286,24 +286,6 @@ class DDSpanContextTest extends DDCoreSpecification {
     span.context.encodedResourceName == -2
   }
 
-  def "higher order bits of 128bit traceID is only set as PTag in root span"() {
-    when:
-    def parent = tracer.buildSpan("fakeOperation")
-      .withServiceName("fakeService")
-      .withResourceName("fakeResource")
-      .start()
-
-    def child = tracer.buildSpan("fakeOperation")
-      .withServiceName("fakeService")
-      .withResourceName("fakeResource")
-      .asChildOf(parent)
-      .start()
-
-    then:
-    parent.context().getPropagationTags().getTraceIdHighOrderBits() != 0
-    //    child.context().getPropagationTags().getTraceIdHighOrderBits() == 0
-  }
-
   private static String dataTag(String tag) {
     "_dd.${tag}.json"
   }