Clothing/item ECS & cleanup (#9706)

Content.Shared/Inventory/InventorySystem.Helpers.cs

@@ -1,4 +1,5 @@
-using Content.Shared.Item;
+using Content.Shared.Clothing.Components;
+using Content.Shared.Item;
 using Robust.Shared.Prototypes;
 
 namespace Content.Shared.Inventory;
@@ -32,10 +33,6 @@ public partial class InventorySystem
             return false;
         }
 
-        // If this doesn't have an item component, then we can't do anything with it.
-        if (!HasComp<SharedItemComponent>(item))
-            return DeleteItem();
-
         // We finally try to equip the item, otherwise we delete it.
         return TryEquip(uid, item, slot, silent, force) || DeleteItem();
     }