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
if (descriptors == null)
            return false;
        if (descriptors.size() == 1 && descriptors.get(0) == capability)
            return false;
        return true;
    }
    /**
     * Returns whether the category is considered disabled
     */
    private boolean isDisabledCapability(Capability cap) {
        if (disabledCaps == null) {
            if (disabledCapabilities == null)
                disabledCaps = new ArrayList(0);
            else
                disabledCaps = Arrays.asList(disabledCapabilities);
        }
        return disabledCaps.contains(cap);
    }
    /**
     * Populate the dependents map based on the
     * current set of capabilities.
     */
    private void populateDependents() {
        if (initialCapabilities == null)
            return;
        LinkedList capabilities = new LinkedList();
        capabilities.addAll(Arrays.asList(initialCapabilities));
        while (!capabilities.isEmpty()) {
            
            Capability target;