code: public boolean deleteUser(String name)
  	{
  		if (ADMIN_USER_ID.equals(name))
  		{
  			throw new SystemException(String.format("Cannot delete '%s' user.", ADMIN_USER_ID));
  		}
  
  		if (!isUserExist(name))
  		{
  			throw new SystemException(String.format("User '%s' does not exist.", name));
  		}
  
  		allAssociations.remove(name);
  
  		return allUsers.remove(name);
  	}
docs: <p>deleteUser.</p>
  
  @param name a {@link java.lang.String} object.
  @return a boolean.