Deletion of Yair Kless

Comment: I've just added two refs (sorry not inline cites I'll come back & do later if I remember) which list him as a pre-eminent teacher of violin.  If he is not notable as a player (which I believe he is) suggests he is notable as a teacher ( not really relevant, as his notability is in hands on tutoring, not academic
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROFESSOR)