Removed redundant guard

Author: jamescrosswell

src/Sentry/SentryMessageHandler.cs

@@ -133,15 +133,6 @@ private void PropagateTraceHeaders(HttpRequestMessage request, string url, ISpan
             }
         }
 
-        // We only propagate trace headers for Sentry's native instrumentation. It isn't possible to propagate
-        // headers when OTEL instrumentation is used since the traceId can be SentryId.Empty if there is no active
-        // OTEL span... which would result in an exception being thrown when trying to create the
-        // DynamicSamplingContext.
-        if (_options?.Instrumenter is Instrumenter.OpenTelemetry)
-        {
-            return;
-        }
-
         if (_options?.TracePropagationTargets.MatchesSubstringOrRegex(url) is true or null)
         {
             AddSentryTraceHeader(request, parentSpan);