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

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https://hg.mozilla.org/integration/gaia-central/rev/f05ae5a3d737
Author: Arthur Chen <crh0716@gmail.com>
Desc: Revert "Bug 936398 - [Settings] Title wordings"

This reverts commit 5a4216f4a8afa3a371f1411310a01b112677dc51.
Bumping manifests a=b2g-bump