refactor: remove unused and legacy code

- remove legacy migrations
- remove unused server code
- remove unused UI code

apps/client/src/common/context/useMediaQuery.ts

@@ -1,32 +0,0 @@
-// roughly from https://github.com/juliencrn/usehooks-ts/blob/master/packages/usehooks-ts/src/useMediaQuery/useMediaQuery.ts
-
-import { useCallback, useEffect, useState } from 'react';
-
-function getMatches(query: string): boolean {
-  return window.matchMedia(query).matches;
-}
-
-// TODO: debounce handleChange
-export default function useMediaQuery(query: string): boolean {
-  const [matches, setMatches] = useState<boolean>(getMatches(query));
-
-  const handleChange = useCallback(() => {
-    setMatches(getMatches(query));
-  }, [query]);
-
-  useEffect(() => {
-    const matchMedia = window.matchMedia(query);
-
-    // Triggered at the first client-side load and if query changes
-    handleChange();
-
-    // Listen matchMedia
-    matchMedia.addEventListener('change', handleChange);
-
-    return () => {
-      matchMedia.removeEventListener('change', handleChange);
-    };
-  }, [handleChange, query]);
-
-  return matches;
-}