private SpaceLimitRequest buildProtoRemoveQuota() {
    return SpaceLimitRequest.newBuilder().setQuota(SpaceQuota.newBuilder().setRemove(true).build())
      .build();
  }
Builds a {@link SpaceQuota} protobuf object to remove a quota.
@return The protobuf SpaceQuota representation.
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/SpaceLimitSettings.java