forgets to implement it.
* Use the KoPluginLoader for the paintop registry; less code duplication.
* remove the check of parent->inherits("KisPaintOpRegistry") which is broken by
design as a plugin _will_ only get loaded one time by design.  And it
breaks since the koPluginLoader is the parent, not the registry.

svn path=/trunk/koffice/; revision=655535