Send: step4: Fix missing Button in some coins like stealth

src/components/modals/Send/steps/04-step-confirmation.js

@@ -2,7 +2,6 @@
 
 import React, { Fragment } from 'react'
 import styled from 'styled-components'
-import { getAccountOperationExplorer } from '@ledgerhq/live-common/lib/explorers'
 
 import { MODAL_OPERATION_DETAILS } from 'config/constants'
 import { colors } from 'styles/theme'
@@ -82,12 +81,9 @@ export function StepConfirmationFooter({
   openModal,
   closeModal,
 }: StepProps<*>) {
-  const url =
-    optimisticOperation && account && getAccountOperationExplorer(account, optimisticOperation)
   return (
     <Fragment>
       {optimisticOperation ? (
-        url ? (
         <Button
           ml={2}
           event="Send Flow Step 4 View OpD Clicked"
@@ -104,7 +100,6 @@ export function StepConfirmationFooter({
         >
           {t('app:send.steps.confirmation.success.cta')}
         </Button>
-        ) : null
       ) : error ? (
         <Button
           ml={2}