Fixed minor issue in javadoc.
* Removes the config associated with the given id, and returns it.
*
* @param configId The id of the config to remove.
- * @return The config associated with the given id, and null if no config is associated with the given id.
+ * @return The config associated with the given id, or null if no config is associated with the given id.
*/
FlexibleConfig removeConfig(SimpleUri configId);
