WICKET-5410 Remove setting interfaces

Remove IApplicationSettings interface
WICKET-5410 Remove setting interfaces

Remove IDebugSettings interface
WICKET-5410 Remove setting interfaces

Remove IExceptionSettings interface
WICKET-5410 Remove setting interfaces

Remove IFrameworkSettings interface
WICKET-5410 Remove setting interfaces

Remove IJavaScriptLibrarySettings interface
WICKET-5410 Remove setting interfaces

Remove IPageSettings interface