message: docs: update load_balancing_weight behavior description
  The documentation before was misleading; the weights are not actually multiplied together. This change brings the docs here in line with the actual behavior and the docs in other places
diff: @@ -43,9 +43,10 @@ service EndpointDiscoveryService {
  //
  // With EDS, each cluster is treated independently from a LB perspective, with
  // LB taking place between the Localities within a cluster and at a finer
  -// granularity between the hosts within a locality. For a given cluster, the
  -// effective weight of a host is its load_balancing_weight multiplied by the
  -// load_balancing_weight of its Locality.
  +// granularity between the hosts within a locality. The percentage of traffic
  +// for each endpoint is determined by both its load_balancing_weight, and the
  +// load_balancing_weight of its locality. First, a locality will be selected,
  +// then an endpoint within that locality will be chose based on its weight.
  message ClusterLoadAssignment {
  // Name of the cluster. This will be the :ref:`service_name
  // <envoy_api_field_Cluster.EdsClusterConfig.service_name>` value if specified
  