Bug 1030564 - [Contacts][DSDS] SIM label flashing once when tapping on 'Add as favorite' and 'Remove as favorite'

Just realised, we shouldn't do this here.

We should move this `resolve` after:
https://github.com/mozilla-b2g/gaia/pull/23670/files#diff-0712ac8d1e81e3ab4223b4843401ef7bR327

And we should do `reject('Error reloading contact') below:
https://github.com/mozilla-b2g/gaia/pull/23670/files#diff-0712ac8d1e81e3ab4223b4843401ef7bR330