fix(templates): bad import in website seed script (#7198)

Author: paulpopus

templates/website/src/payload/seed/index.ts

@@ -12,7 +12,6 @@ import { image2 } from './image-2'
 import { post1 } from './post-1'
 import { post2 } from './post-2'
 import { post3 } from './post-3'
-import { exists } from 'fs-extra'
 
 const filename = fileURLToPath(import.meta.url)
 const dirname = path.dirname(filename)