Most contexts won't have baggage, so this debug line is not that helpful. (#8596)

It also generates a large amount of log messages when tracer debug is on.

Author: mcculls

dd-trace-core/src/main/java/datadog/trace/core/baggage/BaggagePropagator.java

@@ -57,7 +57,6 @@ public <C> void inject(Context context, C carrier, CarrierSetter<C> setter) {
 
     Baggage baggage = Baggage.fromContext(context);
     if (baggage == null) {
-      LOG.debug("Baggage instance is missing from the following context {}", context);
       return;
     }