Clean up comments

Author: pcw109550

op-challenger/game/fault/trace/asterisc/asterisc_memory.go

@@ -9,6 +9,8 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
+// Duplicated fromhttps://github.com/ethereum-optimism/asterisc/blob/4c4705809b4adbb854d265f76ace719b08c732e6/rvgo/fast/memory.go
+
 type Memory struct {
 	// generalized index -> merkle root or nil if invalidated
 	nodes map[uint64]*[32]byte

op-challenger/game/fault/trace/asterisc/asterisc_page.go

@@ -7,6 +7,8 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
+// Duplicated from https://github.com/ethereum-optimism/asterisc/blob/4c4705809b4adbb854d265f76ace719b08c732e6/rvgo/fast/page.go
+
 const (
 	PageAddrSize = 12
 	PageKeySize  = 64 - PageAddrSize

op-challenger/game/fault/trace/asterisc/asterisc_state.go

@@ -12,6 +12,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
+// Duplicated from https://github.com/ethereum-optimism/asterisc/blob/4c4705809b4adbb854d265f76ace719b08c732e6/rvgo/fast/state.go
 type VMState struct {
 	Memory *Memory `json:"memory"`
 

op-challenger/game/fault/trace/asterisc/provider_test.go

@@ -20,8 +20,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// TODO(pcw109550): prestate_test.go also uses it. is it okay?
-//
 //go:embed test_data
 var testData embed.FS