Bug 126779 [IDE] Removed deprecated project capabilities API and implementation
It was created then deprecated before 2.0 shipped. As has never been API and we don't use it we should delete it.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ProjectCapabilityEditingPropertyPage.java
text = NLS.bind(IDEWorkbenchMessages.ProjectCapabilitySelectionGroup_disabledLabel, text);
            return text;
        }
    }
    class StubContainer implements IWizardContainer {
        public IWizardPage getCurrentPage() {
            return null;
        }
        public Shell getShell() {
            return ProjectCapabilityEditingPropertyPage.this.getShell();
        }
        public void showPage(IWizardPage page) {
        }
        public void updateButtons() {
        }
        public void updateMessage() {
        }
        public void updateTitleBar() {
        }
        public void updateWindowTitle() {
        }
        public void run(boolean fork, boolean cancelable,
                IRunnableWithProgress runnable)
                throws InvocationTargetException, InterruptedException {
            new ProgressMonitorJobsDialog(getShell()).run(fork, cancelable,
                    runnable);
        }
    }
}