Tighten up eslint rule to catch unused const {_} = useLingui() (#9122)

* tighten eslint config to catch unused `useLingui`s

* fix now-invalid uses of _

* remove unused function that produces a ton of eslint warnings

* upgrade react compiler plugin

src/screens/Search/Shell.tsx

@@ -428,7 +428,6 @@ let SearchScreenInner = ({
   const {hasSession} = useSession()
   const {gtTablet} = useBreakpoints()
   const [activeTab, setActiveTab] = useState(0)
-  const {_} = useLingui()
 
   const onPageSelected = useCallback(
     (index: number) => {