Another day, another PR mess for Amazon.com. Just as they seem to have settled the row over cracked Kindles (although the lawsuit continues!), users awoke Friday morning to find e-books remotely deleted from their Kindles, and the PR storm started up all over again.The Big Brother-ishness of the deletions was only heightened by the fact that the books in question were by George Orwell: “Animal Farm” and yes, “1984.” Amazon.com did refund people’s money, but it brought the wrath of not just end users, but