SPIGOT-4893: Don't reset angry state of wolves without target.

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/entity/Wolf.java

@@ -18,9 +18,7 @@ public interface Wolf extends Animals, Tameable, Sittable {
     /**
      * Sets the anger of this wolf.
      * <p>
-     * An angry wolf can not be fed or tamed, and must have a target to attack.
+     * An angry wolf can not be fed or tamed.
-     * If a target is not set the wolf will quickly revert to its non-angry
-     * state.
      *
      * @param angry true if angry
      * @see #setTarget(org.bukkit.entity.LivingEntity)