Drop its subscription and article and re-run snapshot:

exec <your_db>.dbo.sp_dropsubscription

@publication = <publication_name>,

@article = <article_name>,

@subscriber = 'all',

@destination_db = 'all'

go

exec <your_db>.dbo.sp_droparticle

@publication = <publication_name>,

@article = <article_name>,

@force_invalidate_snapshot = 1

go

exec msdb.dbo.sp_start_job 'repl_snapshot_job_name'

go