Update and re-enable chain-validation

chain/validation/applier.go

@@ -1,6 +1,5 @@
 package validation
 
-/*
 import (
 	"context"
 
@@ -186,4 +185,3 @@ func toLotusSignedMsg(msg *vtypes.SignedMessage) *types.SignedMessage {
 		Signature: msg.Signature,
 	}
 }
-*/

chain/validation/factories.go

@@ -1,6 +1,5 @@
 package validation
 
-/*
 import (
 	"context"
 
@@ -46,4 +45,3 @@ func (f *Factories) NewValidationConfig() vstate.ValidationConfig {
 	checkState := true
 	return NewConfig(trackGas, checkExit, checkRet, checkState)
 }
-*/