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/RemoveCapabilityStep.java
this.capability = capability;
        this.natureIds = natureIds;
        this.project = project;
    }
    /* (non-Javadoc)
     * Method declared on WizardStep.
     */
    public String getLabel() {
        return NLS.bind(IDEWorkbenchMessages.RemoveCapabilityStep_label, capability.getName());
    }
    /* (non-Javadoc)
     * Method declared on WizardStep.
     */
    public String getDetails() {
        String details = capability.getUninstallDetails();
        if (details == null) {
            if (natureIds.length == 1) {
                details = NLS.bind(IDEWorkbenchMessages.RemoveCapabilityStep_defaultDescription0, capability.getName());
            } else if (natureIds.length == 2) {
                CapabilityRegistry reg = IDEWorkbenchPlugin.getDefault()
                        .getCapabilityRegistry();
                Capability otherCapability = reg
                        .getCapabilityForNature(natureIds[1]);
                if (otherCapability == capability)
                    otherCapability = reg.getCapabilityForNature(natureIds[0]);
                details = NLS.bind(IDEWorkbenchMessages.RemoveCapabilityStep_defaultDescription1, capability.getName(), otherCapability.getName());
            } else {
                StringBuffer msg = new StringBuffer();
                CapabilityRegistry reg = IDEWorkbenchPlugin.getDefault()
                        .getCapabilityRegistry();