remove IECON and IHCI

Author: cricel

src/App.tsx

@@ -9,8 +9,8 @@ function App() {
     <>
       <Iframe className='left_panel' url="https://calendar.google.com/calendar/embed?src=atrlab.kent.public%40gmail.com&ctz=America%2FNew_York"/>
       <div className='right_panel'>
-        <CountdownTimer targetDate="2024-06-30T23:59:59" headerText="IECON Conference" />
-        <CountdownTimer targetDate="2024-07-01T23:59:59" headerText="IHCI Conference" />
+        {/* <CountdownTimer targetDate="2024-06-30T23:59:59" headerText="IECON Conference" />
+        <CountdownTimer targetDate="2024-07-01T23:59:59" headerText="IHCI Conference" /> */}
         <CountdownTimer targetDate="2024-07-24T23:59:59" headerText="B-STEM Conference" />
         <CountdownTimer targetDate="2024-09-15T23:59:59" headerText="ICRA Conference" />
         <CountdownTimer targetDate="2024-10-01T23:59:59" headerText="HRI Conference" />