Revert "added test for multi.hmset's array handling"

This reverts commit bb221adec4.
The test is broken and only passes because there's a bug with multi hmset using arrays.
See #686 and #838 for more details

test/commands/multi.spec.js

@@ -210,19 +210,6 @@ describe("The 'multi' method", function () {
                     });
                 });
 
-                it('allows an array to be provided to hmset', function (done) {
-                    client.multi()
-                        .hmset("arrayhash", ['a', 'b', 'c'])
-                        .hgetall("arrayhash")
-                        .exec(function (err, replies) {
-                            assert.strictEqual(null, err);
-                            assert.equal("OK", replies[0]);
-                            assert.equal(Object.keys(replies[1]).length, 3);
-                            assert.equal("b", replies[1]['1']);
-                            return done();
-                        });
-                });
-
             });
         });
     });