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/misc/ProjectCapabilitySelectionGroup.java
}
                }
            }
            
            notifyCheckStateListner();
        } else {
            
            
            checkboxViewer.setChecked(capability, true);
            
            ArrayList descCopy = (ArrayList) descriptors.clone();
            descCopy.remove(capability);
            
            if (descCopy.size() == 1) {
                Capability cap = (Capability) descCopy.get(0);
                MessageDialog
                        .openWarning(
                                checkboxViewer.getControl().getShell(),
                                IDEWorkbenchMessages.ProjectCapabilitySelectionGroup_errorTitle,
                                NLS.bind(IDEWorkbenchMessages.ProjectCapabilitySelectionGroup_requiredPrereq, capability.getName(), cap.getName()));
            } else {
                StringBuffer msg = new StringBuffer();
                Iterator itr = descCopy.iterator();
                while (itr.hasNext()) {
                    Capability cap = (Capability) itr.next();
                    msg.append("\n    "); 
                    msg.append(cap.getName());
                }
                MessageDialog
                        .openWarning(