renderer: remove unused code

src/renderer/screens/MainScreen.vue

@@ -6,10 +6,6 @@ import Utils from '@/renderer/utils'
 const { locale } = useI18n()
 const theme = useTheme()
 
-const jsxNode = () => {
-  return <div> text </div>
-}
-
 const handleChangeTheme = () => {
   theme.global.name.value = theme.global.current.value.dark ? 'light' : 'dark'
 }
@@ -33,7 +29,6 @@ const handleAbout = async () => {
       align="center"
       class="text-center"
     >
-      <jsxNode />
       <v-col cols="12">
         <img
           alt="logo"