refactor: replace amDateFormat with new pipes

src/app/modules/data/elements/origin-in-list.html

@@ -1,7 +1,7 @@
 <div *ngIf="origin.type === 'user'">
-  <p>{{ origin.created | amDateFormat: 'll' }}</p>
+  <p>{{origin.created | dateFormat}}</p>
 </div>
 
 <div *ngIf="origin.type === 'remote'">
-  <p>{{ origin.indexed | amDateFormat: 'll' }}</p>
+  <p>{{origin.indexed | dateFormat}}</p>
 </div>

src/app/modules/data/types/date-series/date-series-list-item.html

@@ -7,13 +7,11 @@
           <ion-icon name="calendar"></ion-icon>
           <span>
             {{ item.repeatFrequency | amDuration }},
-            {{ item.dates[0] | amDateFormat: 'dddd' }}
-            <span
-              >({{ item.dates[0] | amDateFormat: 'll' }} -
-              {{
-                item.dates[item.dates.length - 1] | amDateFormat: 'll'
-              }})</span
-            >
+            {{ item.dates[0] | dateFormat: 'weekday:long' }}
+            <span>
+              ({{ item.dates[0] | dateFormat }} -
+              {{ item.dates[item.dates.length - 1] | dateFormat }})
+            </span>
           </span>
         </p>
         <ion-note *ngIf="item.event.type === 'academic event'">{{

src/app/modules/data/types/place/special/mensa/place-mensa.html

@@ -2,8 +2,8 @@
   <div *ngIf="dishes | async as dishes; else loading">
     <ion-segment [(ngModel)]="selectedDay" mode="md">
       <ion-segment-button *ngFor="let day of dishes | keyvalue" [value]="day.key">
-        <ion-label class="ion-hide-sm-down">{{day.key | amLocal | amDateFormat:'dddd, l'}}</ion-label>
-        <ion-label class="ion-hide-sm-up">{{day.key | amLocal | amDateFormat:'dd, l'}}</ion-label>
+        <ion-label class="ion-hide-sm-down">{{day.key | dateFormat:'weekday:long,month:numeric,day:numeric'}}</ion-label>
+        <ion-label class="ion-hide-sm-up">{{day.key | dateFormat:'weekday:short,month:numeric,day:numeric' }}</ion-label>
       </ion-segment-button>
     </ion-segment>
     <div [ngSwitch]="selectedDay">

src/app/modules/data/types/semester/semester-list-item.html

@@ -5,10 +5,7 @@
         <h2 class="name">{{ 'name' | thingTranslate: item }}</h2>
         <p>
           <ion-icon name="calendar"></ion-icon>
-          <span
-            >{{ item.startDate | amDateFormat: 'll' }} -
-            {{ item.endDate | amDateFormat: 'll' }}</span
-          >
+          <span>{{item.startDate | dateFormat}} - {{item.endDate | dateFormat}}</span>
         </p>
         <ion-note>{{ 'type' | thingTranslate: item }}</ion-note>
       </div>