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
};
    
    private Comparator capabilityComparator = new Comparator() {
        private Collator collator = Collator.getInstance();
        public int compare(Object ob1, Object ob2) {
            Capability c1 = (Capability) ob1;
            Capability c2 = (Capability) ob2;
            return collator.compare(c1.getName(), c2.getName());
        }
    };
    /**
     * Creates a new instance of the <code>ProjectCapabilitySelectionGroup</code>
     * 
     * @param categories the initial collection of valid categories to select
     * @param capabilities the intial collection of valid capabilities to select
     * @param registry all available capabilities registered by plug-ins
     */
    public ProjectCapabilitySelectionGroup(Category[] categories,
            Capability[] capabilities, CapabilityRegistry registry) {
        this(categories, capabilities, null, registry);
    }
    /**
     * Creates a new instance of the <code>ProjectCapabilitySelectionGroup</code>
     * 
     * @param categories the initial collection of valid categories to select
     * @param capabilities the intial collection of valid capabilities to select
     * @param disabledCapabilities the collection of capabilities to show as disabled
     * @param registry all available capabilities registered by plug-ins
     */
    public ProjectCapabilitySelectionGroup(Category[] categories,