Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/4f442ac01458
Author: Zac <zcampbell@mozilla.com>
Desc: Revert "Bug 1056050 - [v2.1] Update has_mobile_connection and is_cell_data_connected"

This reverts commit c89dd20c7a8f79578c6362066529ac1a1dfdcadd.
Bumping manifests a=b2g-bump