remove unused isDirectoryEmpty function

lib/fs.ts

@@ -1,17 +1,4 @@
-import * as Sentry from '@sentry/browser'
 import { sep } from '@tauri-apps/api/path'
-import { readDir } from '@tauri-apps/plugin-fs'
-
-export async function isDirectoryEmpty(path: string): Promise<boolean> {
-    try {
-        const entries = await readDir(path)
-        return entries.length === 0
-    } catch (err) {
-        Sentry.captureException(err)
-        console.error('Error checking directory:', err)
-        return false
-    }
-}
 
 export function isRemotePath(path: string): boolean {
     return path.includes(':/') && !path.startsWith(sep())