Update Javadoc

Change-Id: Ieefd3650c1f11875d22602174a7bdf9537acf0d6

@@ -26,9 +26,6 @@ import static com.google.common.base.Preconditions.checkNotNull;
 /**
  * Represents a resource path which specifies a resource which can be measured
  * as continuous value. Bandwidth of a link is an example of the resource.
- * <p>
- * Note: This class is exposed to the public, but intended to be used in the resource API
- * implementation only. It is not for resource API user.
  */
 @Beta
 public final class ContinuousResource implements Resource {

@@ -22,10 +22,7 @@ import java.util.Objects;
 import java.util.Optional;
 
 /**
- * ResourceId for {@link ContinuousResource}
- *
- * Note: This class is exposed to the public, but intended to be used in the resource API
- * implementation only. It is not for resource API user.
+ * ResourceId for {@link ContinuousResource}.
  */
 @Beta
 public final class ContinuousResourceId extends ResourceId {

@@ -27,10 +27,6 @@ import static com.google.common.base.Preconditions.checkNotNull;
 /**
  * Represents a resource path which specifies a resource which can be measured
  * as a discrete unit. A VLAN ID and a MPLS label of a link are examples of the resource.
- * <p>
- * Note: This class is exposed to the public, but intended to be used in the resource API
- * implementation only. It is not for resource API user.
- * </p>
  */
 @Beta
 public final class DiscreteResource implements Resource {

@@ -26,9 +26,6 @@ import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
  * ResourceId for {@link DiscreteResource}.
- *
- * Note: This class is exposed to the public, but intended to be used in the resource API
- * implementation only. It is not for resource API user.
  */
 @Beta
 public final class DiscreteResourceId extends ResourceId {

@@ -22,7 +22,6 @@ import java.util.Optional;
 
 /**
  * Represents identifier of resource.
- * This class is exposed to public, but intended to use only in ResourceStore implementations.
  */
 @Beta
 public abstract class ResourceId {