More Product Model optimisation

app/Models/Product/Phone.php

@@ -50,17 +50,6 @@ final class Phone extends Type implements ProductItem
 
 	/* INTERFACES */
 
-	public function getContractTermAttribute(): int
-	{
-		// @todo Get this from the DB
-		return 12;
-	}
-
-	public function hasUsage(): bool
-	{
-		return FALSE;
-	}
-
 	public function allowance(): Collection
 	{
 		// TODO: Implement allowance() method.
@@ -71,13 +60,8 @@ final class Phone extends Type implements ProductItem
 		return "(TBA)";
 	}
 
-	public function getCostAttribute(): float
+	public function hasUsage(): bool
 	{
-		// TODO: Implement getCostAttribute() method.
-	}
-
-	public function getSupplierAttribute()
-	{
-		// TODO: Implement getSupplierAttribute() method.
+		return FALSE;
 	}
 }