By Blake Brittain (Reuters) -Appliance maker Whirlpool on Thursday agreed to drop a U.S. lawsuit against its former Italian executive Davide Cabri that accused him of stealing trade secrets for a move to its competitor Haier. Whirlpool and Cabri told a Delaware federal court they would dismiss the case with prejudice, which means it cannot be refiled. Whirpool said in a statement on Friday that