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/view/com/posts/PostFeedErrorMessage.tsx

@@ -126,7 +126,7 @@ function FeedgenErrorMessage({
       })[knownError],
     [_l, knownError],
   )
-  const [_, uri] = feedDesc.split('|')
+  const [__, uri] = feedDesc.split('|')
   const [ownerDid] = safeParseFeedgenUri(uri)
   const removePromptControl = Prompt.usePromptControl()
   const {mutateAsync: removeFeed} = useRemoveFeedMutation()