<a href="" tooltip="Some dummy test" ng-mouseover="showTip=true" ng-mouseleave="showTip=false">
  <span class="Tooltip" ng-show="showTip">
    <strong>{{ slot.value }} call{{ slot.value > 1 ? 's' : '' }}</strong> scheduled between {{ slotTimeStart }} and {{ slotTimeEnd }} on {{ day }}
  </span>
</a>

<a href="" ng-mouseover="showTip=true" ng-mouseleave="showTip=false">
  <span class="Tooltip" ng-show="showTip">
    <strong>{{ ::slot.value }} call{{ ::slot.value > 1 ? 's' : '' }}</strong> scheduled between {{ ::slotTimeStart }} and {{ ::slotTimeEnd }} on {{ ::day }}
  </span>
</a>

Remove tooltip directive Not being used, no need
Remove tooltip directive
Not being used, no need
