cleanup service loader code

driver-pulsar/src/main/java/io/nosqlbench/driver/pulsar/PulsarActivityType.java

@@ -9,11 +9,6 @@ import io.nosqlbench.nb.annotations.Service;
 @Service(value = ActivityType.class, selector = "pulsar")
 public class PulsarActivityType implements ActivityType<PulsarActivity> {
 
-    @Override
-    public String getName() {
-        return "pulsar";
-    }
-
     @Override
     public ActionDispenser getActionDispenser(PulsarActivity activity) {
         if (activity.getParams().getOptionalString("async").isPresent()) {