Update delete button text in shop.html for clarity

Author: JoField08

shop.html

@@ -364,7 +364,7 @@ <h3>Hinzugefügt am:</h3>
         <button class="button-blue" onclick="openShop()">Aktuelle Angebote</button>
         <!-- <button class="button-green" onclick="deleteShopItem()">Eingekauft</button> -->
         <button class="button-green" onclick="closeShopItemDetailModal()">Abbrechen</button>
-        <button class="button-red" onclick="deleteShopItem()">Löschen</button>
+        <button class="button-red" onclick="deleteShopItem()">Von Einkaufsliste entfernen</button>
     </div>
 </div>