[TLOZ]: Remove use of per_slot_randoms (ArchipelagoMW#3255)

We only used it in two spots for randomizing the secret rupee cave values. Uses proper world random now.

worlds/tloz/__init__.py

@@ -260,11 +260,11 @@ def apply_randomizer(self):
             rom_data[location_id] = item_id
 
         # We shuffle the tiers of rupee caves. Caves that shared a value before still will.
-        secret_caves = self.multiworld.per_slot_randoms[self.player].sample(sorted(secret_money_ids), 3)
+        secret_caves = self.random.sample(sorted(secret_money_ids), 3)
         secret_cave_money_amounts = [20, 50, 100]
         for i, amount in enumerate(secret_cave_money_amounts):
             # Giving approximately double the money to keep grinding down
-            amount = amount * self.multiworld.per_slot_randoms[self.player].triangular(1.5, 2.5)
+            amount = amount * self.random.triangular(1.5, 2.5)
             secret_cave_money_amounts[i] = int(amount)
         for i, cave in enumerate(secret_caves):
             rom_data[secret_money_ids[cave]] = secret_cave_money_amounts[i]