The 'ProfileAction' class and the related user_preferences are
pre-history relics. Keeping them in senlinclient is only causing
confusion considering that 1) senlin shell will be deprecated someday;
2) SDK has some tweaks to the design that we cannot follow up; 3) these
arguments are rarely used.
Change-Id: Ia79a069bde4fd94bc1bd00f719b4e6b4a56770f8
92f52735cb