remove isMounted check for AddressDetails component

ui/address/AddressDetails.tsx

@@ -4,7 +4,6 @@ import React from 'react';
 
 import config from 'configs/app';
 import throwOnResourceLoadError from 'lib/errors/throwOnResourceLoadError';
-import useIsMounted from 'lib/hooks/useIsMounted';
 import getQueryParamString from 'lib/router/getQueryParamString';
 import AddressCounterItem from 'ui/address/details/AddressCounterItem';
 import ServiceDegradationWarning from 'ui/shared/alerts/ServiceDegradationWarning';
@@ -63,8 +62,6 @@ const AddressDetails = ({ addressQuery, scrollRef }: Props) => {
     has_validated_blocks: false,
   }), [ addressHash ]);
 
-  const isMounted = useIsMounted();
-
   // error handling (except 404 codes)
   if (addressQuery.isError) {
     if (isCustomAppError(addressQuery.error)) {
@@ -79,7 +76,7 @@ const AddressDetails = ({ addressQuery, scrollRef }: Props) => {
 
   const data = addressQuery.isError ? error404Data : addressQuery.data;
 
-  if (!data || !isMounted) {
+  if (!data) {
     return null;
   }