docs: public MediaType removeQualityValue() {
  		if (!this.parameters.containsKey(PARAM_QUALITY_FACTOR)) {
  			return this;
  		}
  		Map<String, String> params = new LinkedHashMap<String, String>(this.parameters);
  		params.remove(PARAM_QUALITY_FACTOR);
  		return new MediaType(this, params);
  	}