additionnal fixups

Author: benzekrimaha

tests/sur/quota.js

@@ -982,9 +982,6 @@ function multiObjectDelete(bucket, keys, size, callback) {
                         } catch (assertError) {
                             return next(assertError);
                         }
-, err => {
-                        assert.ifError(err);
-                        return next();
                     }),
                     next => {
                         assert.strictEqual(scuba.getInflightsForBucket(bucket), size);