Remove the coin amount from state layer solution (#18500)

* Remove the coin amount from state layer solution

* Remove unused imports

chia/wallet/nft_wallet/metadata_outer_puzzle.py

@@ -3,10 +3,8 @@
 from dataclasses import dataclass
 from typing import Callable, List, Optional, Tuple
 
-from chia.types.blockchain_format.coin import Coin
 from chia.types.blockchain_format.program import Program
 from chia.types.blockchain_format.sized_bytes import bytes32
-from chia.util.ints import uint64
 from chia.wallet.puzzle_drivers import PuzzleInfo, Solver
 from chia.wallet.puzzles.load_clvm import load_clvm_maybe_recompile
 from chia.wallet.uncurried_puzzle import UncurriedPuzzle, uncurry_puzzle
@@ -27,8 +25,8 @@ def puzzle_for_metadata_layer(metadata: Program, updater_hash: bytes32, inner_pu
     return NFT_STATE_LAYER_MOD.curry(NFT_STATE_LAYER_MOD_HASH, metadata, updater_hash, inner_puzzle)
 
 
-def solution_for_metadata_layer(amount: uint64, inner_solution: Program) -> Program:
-    return Program.to([inner_solution, amount])
+def solution_for_metadata_layer(inner_solution: Program) -> Program:
+    return Program.to([inner_solution])
 
 
 @dataclass(frozen=True)
@@ -88,12 +86,7 @@ def get_inner_solution(self, constructor: PuzzleInfo, solution: Program) -> Opti
             return my_inner_solution
 
     def solve(self, constructor: PuzzleInfo, solver: Solver, inner_puzzle: Program, inner_solution: Program) -> Program:
-        coin_bytes: bytes = solver["coin"]
-        coin: Coin = Coin(bytes32(coin_bytes[0:32]), bytes32(coin_bytes[32:64]), uint64.from_bytes(coin_bytes[64:72]))
         also = constructor.also()
         if also is not None:
             inner_solution = self._solve(also, solver, inner_puzzle, inner_solution)
-        return solution_for_metadata_layer(
-            uint64(coin.amount),
-            inner_solution,
-        )
+        return solution_for_metadata_layer(inner_solution)