code: public <P>JsonModelBuilder<T> rm(JsonPropertyBuilderCreator<T> creator1,
  			JsonPropertyBuilderCreator<T> creator2, JsonPropertyBuilderCreator<T> creator3,
  			JsonPropertyBuilderCreator<T> creator4, JsonPropertyBuilderCreator<T> creator5,
  			JsonPropertyBuilderCreator<T> creator6, JsonPropertyBuilderCreator<T> creator7,
  			JsonPropertyBuilderCreator<T> creator8) {
  		rmSub(creator1.<P> get());
  		rmSub(creator2.<P> get());
  		rmSub(creator3.<P> get());
  		rmSub(creator4.<P> get());
  		rmSub(creator5.<P> get());
  		rmSub(creator6.<P> get());
  		rmSub(creator7.<P> get());
  		rmSub(creator8.<P> get());
  		return this;
  	}
docs: Detaches property builder for the given types.
  @param creator1
  @param creator2
  @param creator3
  @param creator4
  @param creator5
  @param creator6
  @param creator7
  @param creator8
  @return this
  @author vvakame