refactor unused code in storagePoolHasEnoughIops method
CLOUDSTACK-6929: HAPlanner (SkipHeuresticsPlanner) gets added into the list of regular planners currently, add it in the exclude list. Also create allocator order list
(cherry picked from commit 6fca4eb0f1193b4612d1057784d24d7db1d7b048)
Add ReflectionUse annotation for marking up *un-used* methods
Inform the applicable storage plug-in's life cycle that capacity (bytes and/or IOPS) can be updated