adding conditional to only show remove subject link for articles with >=2 associated subjects
adding conditional to only show remove subject link for articles with
>=2 associated subjects

Otherwise editors may make a mistake and cause the article no longer to
render.

BOWiki/BOW,BOWiki/BOW,EBWiki/EBWiki,EBWiki/EBWiki,EBWiki/EBWiki,EBWiki/EBWiki,BOWiki/BOW