Remove the last fontawesome usages

Author: stratoula

src/plugins/timelion/public/directives/saved_object_finder.html

@@ -67,10 +67,8 @@
       i18n-id="timelion.savedObjectFinder.sortByButtonLabel"
       i18n-default-message="Name"
     ></span>
-    <span
-      class="fa"
-      ng-class="finder.isAscending ? 'fa-caret-up' : 'fa-caret-down'"
-    >
+    <icon type="'sortUp'" ng-if="finder.isAscending"></icon>
+    <icon type="'sortDown'" ng-if="!finder.isAscending"></icon>
       <span class="euiScreenReaderOnly"
         ng-if="finder.isAscending"
         i18n-id="timelion.savedObjectFinder.sortByButtonLabeAscendingScreenReaderOnly"
@@ -94,7 +92,7 @@
       <a ng-href="{{finder.makeUrl(hit)}}"
           ng-blur="finder.hitBlur($event)"
           ng-click="finder.preventClick($event)">
-          <span aria-hidden="true" class="finder-type fa" ng-if="hit.icon" ng-class="hit.icon"></span>
+          <icon aria-hidden="true" class="finder-type" ng-if="hit.icon" ng-class="hit.icon"></icon>
           <icon type="'beaker'" ng-if="hit.type.shouldMarkAsExperimentalInUI()"></icon>
           <span>{{hit.title}}</span>
           <p ng-if="hit.description" ng-bind="hit.description"></p>

src/plugins/timelion/public/directives/saved_object_finder.js

@@ -168,7 +168,6 @@ export function initSavedObjectFinderDirective(app, savedSheetLoader, uiSettings
             switch (keyMap[$event.keyCode]) {
               case 'enter':
                 if (self.hitCount !== 1) return;
-
                 const hit = self.hits[0];
                 if (!hit) return;