feat: remove pre-owned laptop redemption (#518)

Author: Pactionly

rewards.json

@@ -5,12 +5,6 @@
     "imageURL": "https://gratibotjtest.blob.core.windows.net/gratibotimages/Liatrio_Logo.png",
     "cost": 0
   },
-  {
-    "name": "Pre-Loved Laptop",
-    "description": "Pre-Loved Laptop",
-    "imageURL": "https://gratibotjtest.blob.core.windows.net/gratibotimages/Pre Loved Laptop.jpeg",
-    "cost": 500
-  },
   {
     "name": "Custom Nike Air Force 1's",
     "description": "Nike Air Force 1 Shoes",