refactor(evm): changes based on review feedbacks

Author: david-sun-venus

apps/evm/src/App/ChainUpgradeHandler/index.tsx

@@ -8,7 +8,7 @@ export interface ChainUpgradeHandlerProps {
 }
 
 export const ChainUpgradeHandler: React.FC<ChainUpgradeHandlerProps> = ({ upgradeTimestamps }) => {
-  const now = useNow({ intervalMs: 10000 });
+  const now = useNow();
 
   // Reload page if we're passed any of the chain upgrades and the app was opened before that, so
   // that the block time and blocks per day metadata from the @venusprotocol/chains package are

apps/evm/src/App/index.tsx

@@ -6,7 +6,7 @@ import { AnalyticProvider } from 'libs/analytics';
 import { ErrorBoundary } from 'libs/errors';
 import { SentryErrorInfo } from 'libs/errors/SentryErrorInfo';
 import { Web3Wrapper } from 'libs/wallet';
-import { Suspense, useMemo } from 'react';
+import { Suspense } from 'react';
 import { Helmet } from 'react-helmet';
 import { HashRouter } from 'react-router';
 import { safeLazyLoad } from 'utilities';
@@ -23,10 +23,7 @@ const ImportPositionsModal = safeLazyLoad(() => import('containers/ImportPositio
 
 const App = () => {
   const { hardforks } = useChain();
-  const upgradeTimestamps = useMemo(
-    () => hardforks?.map(hardfork => new Date(hardfork.startTimestamp)) ?? [],
-    [hardforks],
-  );
+  const upgradeTimestamps = (hardforks ?? []).map(hardfork => new Date(hardfork.startTimestamp));
 
   return (
     <>