<li uib-dropdown ng-if="$ctrl.languageChoices.length > 1">
    <a uib-dropdown-toggle title="{{ $ctrl.currentLanguage.label }}">
        {{ $ctrl.currentLanguage.code | uppercase }}
    </a>
    <ul uib-dropdown-menu>
        <li ng-repeat="language in $ctrl.languageChoices"
            ng-click="$ctrl.selectLanguage(language)">
            <a>
                {{ language.label }}
            </a>
        </li>
    </ul>
</li>

<li uib-dropdown ng-show="$ctrl.languageChoices.length > 1">
    <a uib-dropdown-toggle title="{{ $ctrl.currentLanguage.label }}">
        {{ $ctrl.currentLanguage.code | uppercase }}
    </a>
    <ul uib-dropdown-menu>
        <li ng-repeat="language in $ctrl.languageChoices"
            ng-click="$ctrl.selectLanguage(language)">
            <a>
                {{ language.label }}
            </a>
        </li>
    </ul>
</li>

Hide language selector if there's only one choice
Hide language selector if there's only one choice [WAL-575]
