Removes vending inventory desc and adds missing vending machine descriptions (#4493)

* Removes inventory descriptions

* Adds missing vending machine descriptions using inventory descriptions

* Woops missed a file

Content.Shared/VendingMachines/VendingMachineInventoryPrototype.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
@@ -17,9 +17,6 @@ namespace Content.Shared.VendingMachines
         [DataField("name")]
         public string Name { get; } = string.Empty;
 
-        [DataField("description")]
-        public string Description { get; } = string.Empty;
-
         [DataField("animationDuration")]
         public double AnimationDuration { get; }