code: public static Single<Boolean> remove(CacheConfigBean cacheConfigBean, String cacheKey) {
          return SingleRxXian.call(CacheService.CACHE_SERVICE, "cacheObjectRemove", new JSONObject() {{
              put("cacheConfig", cacheConfigBean);
              put("key", cacheKey);
          }}).map(unitResponseObject -> {
              unitResponseObject.throwExceptionIfNotSuccess();
              return unitResponseObject.succeeded();
          });
      }
docs: remove the cached object.
  
  @param cacheConfigBean the data source configuration
  @param cacheKey        the key of the cache
  @return the single observable for the result, true on success, false if nothing changed, error on exception.