fix: fix issues found by ng build for production

Closes #48

src/app/modules/data/types/dish/dish-detail-content.html

@@ -7,41 +7,3 @@
   <ion-card-header>{{meta.getFieldTranslation(language, 'categories')}}</ion-card-header>
   <ion-card-content>{{item.categories.join(', ')}}</ion-card-content>
 </ion-card>
-
-<ion-card *ngIf="item.characteristics">
-  <ion-card-header>{{meta.getFieldTranslation(language, 'characteristics')}}</ion-card-header>
-  <ion-card-content>{{item.characteristics.join(', ')}}</ion-card-content>
-</ion-card>
-
-<ion-card *ngIf="item.additives">
-  <ion-card-header>{{meta.getFieldTranslation(language, 'additives')}}</ion-card-header>
-  <ion-card-content>{{item.additives.join(', ')}}</ion-card-content>
-</ion-card>
-
-<ion-card *ngIf="item.place">
-  <ion-card-header>{{meta.getFieldTranslation(language, 'place')}}</ion-card-header>
-  <ion-card-content><a>{{item.place.name}}</a></ion-card-content>
-</ion-card>
-
-<ion-card>
-  <ion-card-header>{{meta.getFieldTranslation(language, 'price')}}</ion-card-header>
-  <ion-card-content>
-    <ion-grid>
-      <ion-row *ngFor="let offer of item.offers">
-        <ion-col>
-          {{offer.universityRole.name}}
-        </ion-col>
-        <ion-col>{{offer.price}}</ion-col>
-      </ion-row>
-      <ion-row>
-        <ion-col>Standard / Gäste</ion-col>
-        <ion-col>{{item.price}}</ion-col>
-      </ion-row>
-    </ion-grid>
-  </ion-card-content>
-</ion-card>
-
-<ion-card *ngIf="item.availabilityStarts">
-  <ion-card-header>Verfügbarkeit</ion-card-header>
-  <ion-card-content>{{item.availabilityStarts | date}}</ion-card-content>
-</ion-card>

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

@@ -1,6 +1,4 @@
 {{item.name}}<br/>
 <ion-note>
-  {{item.price}}
   {{item.categories.join(',')}}
-  {{item.place.name}}
 </ion-note>

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

@@ -1,7 +1,5 @@
 {{item.name}}<br/>
 
 <ion-note>
-  {{item.subProperties.semester}}
-  {{item.categories.join(', ')}}
-  {{item.startDate}} - {{item.endDate}}
+  {{item.type}}
 </ion-note>