chore: remove unused screen publish hook

frontend/src/livekit/useScreenPublish.ts

@@ -1,41 +0,0 @@
-import { useCallback, useRef, useState } from 'react';
-import { Room, Track, createLocalScreenTracks, VideoPresets } from 'livekit-client';
-import { fetchToken } from '../lib/api';
-
-export function useScreenPublish() {
-  const roomRef = useRef<Room | null>(null);
-  const [connected, setConnected] = useState(false);
-  const [sharing, setSharing] = useState(false);
-
-  const join = useCallback(
-    async (pod: string, identity: string, name: string, githubLogin?: string) => {
-      const { token, url } = await fetchToken({ room: pod, identity, name, githubLogin });
-      const room = new Room({ adaptiveStream: true, dynacast: true });
-      await room.connect(url, token);
-      roomRef.current = room;
-      setConnected(true);
-      return room;
-    },
-    [],
-  );
-
-  const startSharing = useCallback(async () => {
-    const room = roomRef.current;
-    if (!room) throw new Error('join the pod first');
-    const tracks = await createLocalScreenTracks({
-      audio: true,
-      resolution: VideoPresets.h1080.resolution,
-    });
-    for (const t of tracks) {
-      await room.localParticipant.publishTrack(t.mediaStreamTrack, {
-        source:
-          t.kind === Track.Kind.Audio ? Track.Source.ScreenShareAudio : Track.Source.ScreenShare,
-      });
-    }
-    await room.localParticipant.setMicrophoneEnabled(true);
-    await room.localParticipant.setCameraEnabled(true);
-    setSharing(true);
-  }, []);
-
-  return { join, startSharing, connected, sharing, room: roomRef };
-}