MIAMI, June 14 — Addressing rising anger about the cost of owning a home in Florida — and the recent troubles of the state’s real estate industry — the Legislature on Thursday approved a plan for a property tax cut it said would be the largest in state history. The plan was championed by Gov. Charlie Crist, a Republican who has vowed to make taxes “drop like a rock,” and Marco Rubio, the Republican speaker of the House of Representatives, who has made property-tax relief the main goal of his first year in power. The cost of the package was...