Do not show identifier in motion detail template twice.

openslides/motions/static/templates/motions/motion-detail.html

@@ -60,7 +60,7 @@
       </a>
     </div>
     <h1>
-      {{ motion.agenda_item.getTitle() || motion.getTitle() }}
+      {{ motion.getTitle() }}
       <i class="fa pointer" ng-class="motion.personalNote.star ? 'fa-star' : 'fa-star-o'"
         ng-if="operator.user"
         title="{{ 'Set as favorite' | translate }}" ng-click="toggleStar()"></i>

openslides/motions/static/templates/motions/slide_motion.html

@@ -68,7 +68,7 @@
   <div id="motioncontent">
     <!-- Title -->
     <div id="title">
-      <h1>{{  motion.getTitle() || motion.getTitle() }}</h1>
+      <h1>{{  motion.getTitle() }}</h1>
       <h2>
         <translate>Motion</translate> {{ motion.identifier }}
         <span ng-if="motion.versions.length > 1" >| Version {{ motion.getVersion().version_number }}</span>