Remove ability to click words in teaser content

The "(clicked)" property does not work in our config.
The issue is fixed upstream, but requires a newer version of Angular.
We should update Angular and the reactivate this.

src/main/webapp/app/teaserContent/teaserContent.component.html

@@ -15,17 +15,20 @@
     <tr>
       <td data-th="Keywords">
         <angular-tag-cloud [data]="keywordCloudData" [config]="options"
-          (clicked)="onKeywordClick($event)" class="teaserCloud">
+          class="teaserCloud">
+          <!-- (clicked)="onKeywordClick($event)" class="teaserCloud"> -->
         </angular-tag-cloud>
       </td>
       <td data-th="Programming languages">
         <angular-tag-cloud [data]="programmingLanguageCloudData" [config]="options"
-          (clicked)="onProgrammingLanguageClick($event)" class="teaserCloud">
+          class="teaserCloud">
+          <!-- (clicked)="onProgrammingLanguageClick($event)" class="teaserCloud"> -->
         </angular-tag-cloud>
       </td>
       <td data-th="Contributors">
         <angular-tag-cloud [data]="contributorCloudData" [config]="options"
-          (clicked)="onContributorClick($event)" class="teaserCloud">
+          class="teaserCloud">
+          <!-- (clicked)="onContributorClick($event)" class="teaserCloud"> -->
         </angular-tag-cloud>
       </td>
     </tr>