fix lint (#264)

x/evm/handler.go

@@ -76,7 +76,7 @@ func HandleMsgEthereumTx(ctx sdk.Context, k Keeper, msg types.MsgEthereumTx) sdk
 	k.Bloom.Or(k.Bloom, returnData.Bloom)
 
 	// update transaction logs in KVStore
-	err = k.SetTransactionLogs(ctx, returnData.Logs, txHash[:])
+	err = k.SetTransactionLogs(ctx, returnData.Logs, txHash)
 	if err != nil {
 		return sdk.ResultFromError(err)
 	}

x/evm/types/msg.go

@@ -37,7 +37,6 @@ type (
 		Data TxData
 
 		// caches
-		hash atomic.Value
 		size atomic.Value
 		from atomic.Value
 	}