Get out your Stravinsky violins.  Some of Manhattan’s wealthiest renters are about to be evicted, as the owner of their already luxury building wants to develop even more high-end homes. When Miki Naftali agreed last year to pay north of $800 million for  800 Fifth Ave . — the Bernard Spitzer-built tower that has anchored the corner of Fifth and 61st Street since 1978 — he set in motion one of the more unusual displacement events in recent New York real estate history.  In order to redevelop the building, he’s evicting tenants from all 208 units who already pay some of the highest rents in the country — and they’re not happy   Good cause eviction protections are unlikely to apply at rent levels this high. All apartments must be vacated by year’s end; the leasing office went dark last August. And Naftali’s firm, working with architect Robert A.M.…